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"Send me location ... I come and smash your face!"

That's UFC rising star Khamzat Chimaev firing back at Conor McGregor -- after the Irishman insulted him on social media.

Here's they backstory ...

The 26-year-old Chechen-born fighter is 8-0 and has dominated in his first 2 fights in the UFC -- mauling prodigy Rhys McKee on Fight Island this past weekend just 10 days after dominating John Phillips.

And, get this ... Khamzat was only hit a total of TWO TIMES in both fights -- while dishing out 192 strikes of his own!!!

In fact, Khazmat's smothering violent style has earned him the nickname "Khabib 2.0" -- and just like Khabib, he's already in a real-life feud with Conor.

After Khazmat's victory over the weekend, Conor called him "rat lip" in a now-deleted Tweet -- but McGregor didn't pull it down quick enough!

Now, Khamzat says he would kill for a chance to shut Conor's mouth in the Octagon ... and he's begging Dana White for the opportunity.

"I can go smash [Conor McGregor]! If [UFC] give me, I would be so happy about that. It's easy fight for me."

"I don't see somebody can stop me. I gonna finish everybody. I gonna finish [Conor] first round. I promise you, I can finish him in 1st round."

He even delivered a message for Conor ...

"Lets fight! Don't talk, let's fight! If you're a real gangster, if you're a real man, don't talk on Instagram."

"Come in the cage, talk in the cage, say something to me. You sitting in Ireland and talk to me because I'm sitting in Sweden. We can meet in Abu Dhabi right now, Las Vegas"

Of course, Conor insists he's retired from MMA because he lost his love for the sport.

Barbie's new line of dolls meant to inspire all girls to raise their voices and get interested in public service quickly got political when Donald Trump Jr. got involved ... but the toy company's shutting him down.

Shortly after the Barbie 2020 Campaign Team -- made up of 4 diverse dolls including a candidate, a campaign manager, a fundraiser and a voter -- was unveiled to "expose girls to public leadership roles and pique their interest in shaping the future" ... Don Jr. used it to take a shot at Democrats.

Don tweeted ... "'Voter' Barbie must be a Democrat because she’s already wearing an 'I Voted' sticker and yet she’s got another ballot in her hand."

Not the most original joke, and according to the makers of Barbie ... it's also inaccurate.

A Mattel spokesperson tells TMZ ... "Barbie is not, and has never been, affiliated with a political party. Barbie has always encouraged girls to stand up for what they believe in and shows them they can be anything."

The Mattel rep adds ... "This doll set highlights a range of leadership roles to pique their interest in shaping the future and raise their voices – from the podium to the polls. This set also provides a tool to allow families to have conversations around important events and cultural moments through play."

Of course, Don Jr.'s joke comes as President Trump continues to push claims mail-in voting is fraudulent and will only benefit Democrats in the upcoming election.

Truth is, there are no facts to back that up ... just like Jr.'s jab at Barbie.

Talk about perfect timing -- an L.A. musician who happened to be in New Mexico saw a meteor light up the sky, and caught the stunning footage on video.

Amber Coffman posted this awesome video Tuesday night showing the moment a meteor streaked across the sky over Taos, creating a spectacular fireball. She captioned it perfectly saying, "A meteor for the ages!"

The footage was a hit on social media, where it was quickly shared by Amber's followers. She replied to one person's excited tweet, saying ... "Absolutely stunned amazement! Elation! I feel high."

Another user suggested Amber could jump from music to astronomy -- "How did you start getting video so quickly? Really amazing and something I would think would be of great value to science."

Apparently, there was a meteor shower visible over much of New Mexico last night ... there were similar tweets from Albuquerque.

Benedict Cumberbatch knows how to make friends and influence Marvel fans -- try walking off the street into a comic book store while in his full Doctor Strange costume.

Scott Derrickson, who directed the movie, posted a never-before-seen clip of the lead star popping into a Manhattan comic book store while filming back in 2016. It was all done in the spur of the moment, and you can tell no one in the store expected it by the way they reacted to seeing Doc Strange.

He kept it caj, chatting it up with shoppers and having a little back and forth with the guys behind the front desk, who were clearly starstruck. He even posed for a picture with them.

Benedict jokingly asked if he could have a job there if the movie flopped -- it didn't, "Doctor Strange" went on to gross over $670 million, in the U.S. alone -- and the comic boys said yes ... but only if he rocked an American accent. True pro that he is, Ben switched up right on the spot and got into character as Strange immediately. It's pretty freaking awesome to see.

Again, it's an old clip ... but Scott decided to share it just now, maybe to lift Marvel fans' spirits after a slew of blockbuster delays across the industry amid the coronavirus pandemic.

Dr. Phil has some ideas about how best to help Kanye West, or anyone coping with bipolar disorder, and says it's all about protecting him from himself ... on several levels.

The good doc joined us Friday on "TMZ Live" to discuss a tactic known as "containment." He says it's important for Kim Kardashian and co. to remember they're not dealing with the Kanye they know and love.

Phil says people going through bipolar episodes often engage in destructive behaviors that put themselves at risk -- buying 5 cars in one day would be an example -- and containment is all about blocking them from things, events or people that could have long-term consequences.

Kanye's not gonna go broke, but Phil says he could still get into bad situations that have lasting ramifications on his life. Beyond that, he says Kim's gotta hope to catch him in a moment where he'll agree to go back on his medication.

As we reported, Kanye's made it a struggle for Kim to reach him, ducking calls and turning down her pleas to join him in Wyoming, and claiming the family is trying to have him involuntarily committed.

That's why Phil says containment, even from afar, might be best for now.

Kim Kardashian and Larsa Pippen just aren't as close as they used to be ... and that's what triggered a conscious unfollowing between them.

Sources close to the situation tell TMZ ... Kim quietly stopped following Larsa on Instagram at the end of last year when she made a decision to unfollow EVERYONE, and bring her following count down to zero.

We're told Kim felt she needed a fresh start, social media-wise, and wanted to start over by following only accounts of her family and childhood friends -- all to reduce her feed, and keep a clear headspace.

Most folks thought Kim and Larsa were still super close -- until they noticed this week they weren't following each other anymore -- but our sources say the ladies' friendship simply grew apart over time because life got in the way.

We're told there was no drama between Kim and Larsa -- and the rumors floating around LP messed around with Kanye West or Tristan Thompson are not true.

Our sources say Kim is focused on getting Kanye healthy, her 4 young kids, law school and juggling her 3 business. Larsa, meanwhile, says she's focused on her kids, her new fitness line and her "relationships in real life."

Our sources say Kim and Larsa are just in a different place in their lives, and while they're not as close as they used to be, they have no ill will and still stay in touch. Case in point ... we're told Larsa recently visited Kim in Los Angeles.

Martha Stewart clapped back at Chelsea Handler after the comedian recreated her thirst trap -- AKA pool selfie -- essentially telling her, leave it to a professional.

Martha posted a polite yet stinging review on the Instagram pic Chelsea posted Wednesday night ... where she re-created Martha's pool selfie. Chelsea captioned hers, "I'm here to take @marthastewart48's swimming lesson. If I look this good at 78 I better still have a pool to show myself off in."

As you probably know by now ... Martha's pool selfie delighted fans across the globe. Some felt it was one helluva thirst trap, but most roared in approval. Martha at first seemed impressed ... "Dear Chelsea, I'm so happy that you liked my post well enough to emulate it."

And, then Martha lowers the boom ... "I do think my pool is a little bit prettier than yours and that my facial expression is a little bit more relaxed." As for the "more relaxed comment" ... well, Martha -- a former model -- has some cred in the posing dept.

Martha then cushioned the blow ... "Nevertheless you are a beautiful girl and F***ING too young to be emulating me. Continue with your comedy, your humor, and your amazing ability to gather around your political liberals. We need it! Love Martha."

And, that's how it's done.

Kanye West's jealousy over Kim Kardashian meeting Meek Mill last year seems misplaced ... since it was in a very public group setting, and purely to talk prison reform.

Sources connected to the Kardashians and Meek tell us Kim's prison reform summit did go down at the Waldorf Astoria in L.A. -- as Kanye said on Twitter last night -- but Meek and Kim never met in a one-on-one setting.

We're told they were joined by philanthropist Clara Wu Tsai ... and the trio met in Jean-Georges restaurant at the Waldorf. The group discussed plans to keep the prison reform movement going forward. A witness says Kim left the hotel -- solo -- immediately after the meeting.

Worth noting ... both Kim and Meek work with Cut50, the org that fights for reduced incarceration rates and criminal justice reform.

Our sources say Kim was aware of Kanye's jealousy over the situation ... and it's something the two spoke about. However, outside of that one public meeting ... we're told Kim and Meek have never been alone together.

As we reported, Kanye accused Kim of being "out of line" for the meeting, and claimed he's been trying to divorce her ever since the meeting.

TMZ broke the story ... friends and family are deeply concerned about Kanye because they believe he's in the grips of a bipolar episode.

Kanye West continued his late-night, alarming rants ... again targeting his wife, his mother-in-law and many, many others.

Kanye, who is holed up at his Wyoming ranch, attacked Kim and Kris again ... he says for trying to get him placed on a 51/50 psychiatric hold.

Ye claimed, "I been trying to get divorced since Kim met with Meek at the Waldorf for 'prison reform.'" He went on to say, "Meek is my man and was respectful ... That's my dog. Kim was out of line."

Kim and Meek were both working on prison reform and were present at a Criminal Justice Reform Summit in Los Angeles back in 2019.

He took a shot at Kris, calling her "Kris Jong-Un," though he never explained further. He accused her the night before of masterminding the release of Kim's sex tape, something Kris has strongly denied.

There were scattered references to various other celebs. He said, "Lil baby my favorite rapper but won't do a song with me."

He claimed to be worth billions, saying, "I'm worth 5 billion dollars and more than that through Christ. But ya'll ain't listen to MJ and now ya'll believe them???" MJ seems to refer to Michael Jackson.

Our sources say the family doesn't know what to do. Kanye is clearly not receptive to getting help, and anything they do to try triggers a strong, counter-reaction by Kanye.

As we reported, Dave Chapelle flew out to Kanye's ranch Tuesday as a show of friendship.

Oklahoma State football star Chuba Hubbard says he's shutting down his Twitter account after receiving backlash for calling out Oklahoma County's district attorney ... but the RB insists he'll still continue to use his platform to push for social justice.

21-year-old Hubbard -- one of the best college tailbacks in the country -- called for D.A. David Prater to resign on Monday after he claimed the guy "overstepped his position."

Hubbard, along with many others in Oklahoma, is upset with Prater -- they believe Prater should have levied charges against cops who killed 17-year-old Isaiah Lewis in a tragic arrest attempt back in 2019.

But, when Prater cleared the officers, people protested ... and when the demonstrators were eventually arrested for expressing their outrage, Prater's office hit them with terrorism charges.

This didn't fly well with Hubbard, who fired off a series of tweets criticizing the guy for the moves.

"OK County District Attorney David Prater is abusing his power as an elected official to charge demonstrators exercising the First Amendment with terrorism and ONE MILLION dollar bail," Hubbard said. "This is UNACCEPTABLE."

But, Hubbard's tweets were met with heavy backlash on the popular app ... and on Tuesday, Chuba said he was doing away with his Twitter account so people didn't have an avenue to release their hate on him.

"I have never incited or promoted violence or hate," Hubbard said. "All I've done is voice my opinion on issues I feel are not ethical! I love all! Even those that don't see eye to eye with me!"

"I will continue to play football at the highest level! That won't ever stop! But I also won't stop pushing for what I feel is right!!!! With that being said.. I have noticed my social media has become a playground for hate.. That's the last thing I ever wanted to happen!"

Hubbard continued, "You will hear me.. You will see me.. You will feel me!!! But not on twitter or any other socials until further notice! All love Chuba RMN"

Kanye West has some company in Wyoming following his Twitter meltdown, but it's not his family checking in on him ... it's Dave Chappelle.

The rapper says Dave hopped on a jet to come see him "doing well" on the ranch, and called him a "God send and a true friend." The great, warm, friendly visit did come with one slightly awkward moment.

Kanye got Dave, and a few other friends there, to gather around for a video ... and then put the comedian on the spot to come up with something funny -- y'know, to make everyone laugh.

It was, apparently, pretty early in the day, 'cause Dave said he wasn't in funny mode yet, but watch ... of course they found their way to a punchline.

As we reported ... Kanye went on a wild rant Monday night, firing off several tweets that accused his wife, Kim Kardashian, of trying to have him involuntarily committed to a mental hospital.

He also blasted Kris Jenner for allegedly influencing some of Kim's past career moves -- i.e. posing for Playboy and selling her sex tape -- and compared his life to "Get Out."

Assuming Dave touched down in Wyoming Tuesday morning -- as Kanye inferred -- he went pretty far out of his way to help his buddy. We're told Dave's been doing "invite-only" comedy gigs near his home in Ohio.

Dave flying out couldn't come at a better time for Ye -- as we've told you, many people close to him say he's in the midst of a serious bipolar episode.

No such thing as a bad time to chill with Chappelle, but this is a particularly good time.

Kanye West has turned on his own family in the midst of what we're told is a major bipolar episode ... targeting Kris Jenner, comparing his life to the movie "Get Out" and accusing Kim Kardashian of trying to commit him to a mental hospital.

In a series of tweets Monday night, Kanye revealed his wife's plan to get him help ... just 24 hours after a bizarre and, at times, incoherent campaign rally in South Carolina. Kanye said, "Kim was trying to fly to Wyoming with a doctor to lock me up like on the movie Get Out because I cried about saving my daughters life yesterday."

West also took aim at his mother-in-law, Kris Jenner, and shared a text he sent Kris that urged her to call and to stop ignoring him. He then mentioned some of Kim's career choices, implying Kris was behind them ... and saying Kim would never do that to her own daughter.

He tweeted, "I put my life on my God that Norths mom would never photograph her doing playboy and that’s on God. I’m at the ranch ... come and get me."

Shia LaBeouf was also brought into Monday's rant, Kanye accused him of being a no-show to the first YZY GAP photoshoot. He also dragged Anna Wintour into the mix ... accusing her of first talking down on his GAP collab only to call him later, "kissing my ass."

It also appears Kanye has some serious beef with his family living in L.A. and not Wyoming full time, saying, "I love my wife. My family must live next to me. It’s not up to E or NBC anymore."

TMZ broke the story, members of Kanye's family and close circle were left extremely concerned and upset after Sunday's rally in South Carolina. West talked about guns, politics and at one point was brought to tears when sharing a story that revealed he talked to Kim about getting an abortion when she was pregnant with North.

Elon Musk is showing off his pride and joy -- no, not the Falcon 9 -- little baby A-12 ... but he's also making it clear the kid's following in big footsteps, so he better get his spoon skills up!

The Tesla and SpaceX honcho posted a pic of himself cradling X Æ A-Xii, (it's pronounced X Ash A12) ... adorable, right? But, Elon's caption -- in German for some reason -- translates to "The baby cannot use a spoon yet."

We're pretty sure Papa Musk is joking because A-12 isn't even 3-months-old yet!!! While we have no doubt Elon sets a high bar for his kids, there are limits ... even for the son of Musk.

Well, this is nuts ...

Mark Cuban and Sen. Ted Cruz are calling each other out about everything from the NBA's handling of anthem protests to China ... but the focus seems to be on who's got the bigger balls.

It all started when a radio talk show host from Texas tweeted at the Dallas Mavericks owner that if any of his players kneel during the national anthem when the season resumes next week, he won't support the team anymore.

Cuban responded -- "Bye" ... adding, "The National Anthem Police in this country are out of control."

"If you want to complain, complain to your boss and ask why they don't play the National Anthem every day before you start work."

That's when Ted Cruz chimed in ... saying, "Really??!? NBA is telling everyone who stands for the flag, who honors our cops and our veterans, to 'piss off'? In Texas, no less? Good luck with that."

Cruz didn't tag Cuban in his tweet -- and Cuban called him out for it ... saying, "Have some balls for once @tedcruz. Speak to me. It's my tweet."

That's when Cruz replied with another BALLS shot!

"Speaking of balls, tell us what you think about China. I’ll wait."

Of course, Cruz is referring to the NBA's massive problems with China in 2019 -- after Houston Rockets G.M. Daryl Morey tweeted out support for protesters in Hong Kong.

China essentially blackballed the NBA over the tweet -- and the league is still reportedly scrambling to smooth out its relationship with the country.

So, Cruz decided that's where he'd focus his attack on Cuban on Monday morning.

"Let’s try simpler. Mark, tough guy, can you say 'Free Hong Kong'? Can your players put that on their jerseys? Can you condemn the CCP’s concentration camps w/ 1 million Uyghurs? Can you say ANYTHING other than 'Chairman Mao is beautiful & wise'?"

Nothing back from Cuban yet -- but guess you could say the ball's in his court????

Donald Trump is not only losing to Joe Biden ... he's losing to Linkin Park.

Twitter has removed a video Trump retweeted, with the group's song, "In The End." The original tweet was from the account of Dan Scavino, the White House Media Director.

The video vanished Saturday, replaced with this message -- "This media has been disabled in response to a report by the copyright owner."

Trump has drawn the ire of Linkin Park before, and they underscored their contempt for the President Saturday, saying, "Linkin Park did not and does not endorse Trump, nor authorize his organization to use any of our music. A cease and desist has been issued."

Apparently, Twitter heard them.

Chester Bennington, who fronted Linkin Park until his death in 2017, vehemently opposed Trump, declaring, “Trump is a greater threat to the USA than terrorism!! We have to take back our voices and stand for what we believe in.”

The choice of the song, "In The End," is curious, with lyrics that include this ... “I tried so hard / And got so far / But in the end / It doesn’t even matter.”

Nick Cannon is at his wit's end over his anti-Semitic comments and his apology for them -- he clearly feels he's in a no-win situation, and now some fans are concerned about his well being.

"The Masked Singer" host let his frustrations out Thursday night, saying ... "I hurt an entire community and it pained me to my core, I thought it couldn’t get any worse. Then I watched my own community turn on me and call me a sell-out for apologizing."

He added ... "Goodnight. Enjoy Earth."

An hour later, he followed that up, tweeting ... "Y'all can have this planet. I'm out!"

As you know ... Nick came under fire for pushing anti-Jewish rhetoric on his "Cannon's Class" podcast, which resulted in ViacomCBS dropping him. Instead of apologizing, he initially stuck to his guns and was defiant.

But he changed his tune after a discussion with Rabbi Abraham Cooper, and posted a lengthy apology for his "hurtful and divisive words."

Nick's frustration is clear from his Thursday night tweets -- after initially getting backlash for the anti-Semitic remarks, he's now getting backlash for apologizing. It's interesting ... you could read the apology backlash as a reflection of just how much anti-Semitism there is out there.

Some fans online took Nick's tweets as a sign he might harm himself.