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50 Cent and Paris Jackson are going head-to-head over his insinuation Chris Brown is better than Michael Jackson -- and now he's upped the ante with a graphic comment about Jackson's accusers.

Fiddy just fired back at MJ's daughter who, on Wednesday, took umbrage with 50 Cent posting a video of CB doing back flips. If you missed it, the rapper said, "All I'm saying is I never seen MJ come out like this."

Paris responded with, "true legends don't need to exert outrageous amounts of energy just grasp your attention."

Far be it from 50 Cent -- master of the IG troll -- to just let it go. Instead, on Friday, he put up a fresh post, saying ... "Why am I the bad guy, I understand how you feel Paris, but does anyone care about how the little boys butts feels."

Yeah, he went there -- but keep in mind, Dave Chappelle went there too, in his latest Netflix special -- sparking a national debate about believing or disbelieving Jackson's alleged victims.

As we reported, Wade Robson and James Safechuck -- the accusers featured in "Leaving Neverland" -- both blasted Chappelle for the jokes and personal comments he made onstage.

Bruce Dickinson was so pissed off after a fan got the crap kicked out of him at an Iron Maiden show, he stopped the concert to rip into the venue and its security force ... and the video is wild!

The Iron Maiden frontman passionately addressed the crowd over the bloody incident Thursday night at the Tacoma Dome ... saying, "I hope that kid is getting hospital treatment now because he's bleeding from head wounds. I hope that kid takes this building to the f***ing cleaners!!!"

Bruce says the band has been playing to hundreds of thousands of people on tour, and they've never seen anything like the beatdown this guy received. He wondered out loud to the crowd if this kinda thing happens frequently at the venue. Either way, Bruce says it's "f***ing madness!!"

The singer asks the crowd if they have any video of the beating, saying the band would be happy to help find the "bullies and the f***ing criminals who are responsible."

Then in a perfect segue, the band starts playing, "The Evil That Men Do."

It's unclear if the injured fan is still receiving medical treatment, or if he's planning to press charges.

Story developing ...

Kanye West is not just a Wyoming visitor anymore, because we've learned he just bought a massive property.

Kanye plunked down some serious money for a property called Monster Lake Ranch. The asking price was $14 million for the huge chunk of land outside Cody, Wyoming.

The Ranch itself has 8 lodging units and is known for "monster trout" fishing. It has 2 fresh water lakes, a restaurant, an event center and meeting facilities. And -- it's a ranch, right -- so there are lots of horse barns, corrals and lots of horsies. Fun fact ... Cody is known as the "rodeo capital of the world." Imagine Sunday Service at the rodeo?!?

We're told Kanye did not pay full price but we don't know exactly how much he plunked down. The property itself is more than 9,000 acres! He now owns 4,500 of those acres, and the rest is leased from the federal government.

Kanye is there now ... earlier this week, he was tooling around his new property on an ATV.

We're told Kanye is currently there ... finishing up his new album, which has a heavy religious theme. As you know, his Sunday Service has become a thing, and now he's going into the studio to put finishing touches on the album that's expected to come out Sept. 27.

Our sources say in the last few days Pusha T joined Kanye in Wyoming. Remember, Pusha was also there when Kanye was working on the album "Ye." He spent a lot of time in Wyoming at the Aman resort putting pen to paper to finish that album.

Demi Lovato is so over feeling bad about her body, and even more so -- she's done editing her photos to please others and adhere to THEIR idea of beautiful.

And that, indeed, is "celluLIT."

Demi shared this unedited bikini photo of herself late Thursday -- cellulite and all -- because as she puts it ... "I want this new chapter in my life to be about being authentic to who I am rather than trying to meet someone else’s standards."

Lovato adds ... "So here’s me, unashamed, unafraid and proud to own a body that has fought through so much and will continue to amaze me when I hopefully give birth one day."

The singer/actress goes on to explain how she's been feeling great getting back to projects while not stressing about strenuous workouts or miserable diets.

She says ... "here's me, RAW, REAL! And I love me. And you should love you too!"

The inspiring pic caught the eye of one interesting admirer. Mike Johnson, a contestant on the last season of "The Bachelorette," dropped a very flirty reply to Demi ... saying, "Look at me like that again." Demi saw it and replied with a kissy face emoji. Hmmm ...

Even better, Demi's post also revealed that she's back in the studio working on new music -- an anthem!

As we've reported ... Lovato also recently celebrated 1 year of sobriety with a group of friends following her near-fatal overdose last summer.

Nicki Minaj's retirement announcement not only came out of nowhere, but it absolutely doesn't add up -- as in it doesn't seem real -- based on her recent actions ... so say sources close to her.

TMZ's learned Nicki has been busy in the studio working on new music in recent weeks and on top of that ... we're told she made plans to record with several artists just in the past few days.

Our sources say Minaj has a lot of songs already in the can, and despite saying on Thursday she's retiring in order to "have my family" -- she still has studio time booked until next month.

So, why the sudden decision to hang it up? We're told Nicki's been growing increasingly fed up with internet trolls who've been harassing her lately, and finally reached a boiling point.

Our sources say the rapper was pushed over the edge by constantly defending herself over accusations of not writing her own songs, questions about her hip-hop legacy ... and her relationship with her fiance, Kenneth Petty. BTW, rumor is she's already Mrs. Petty, but that's another thing Nicki's tired of discussing.

The good news for the Barbs ... we're told those close to Nicki believe she's just taking a much-needed break from the haters and simply needs a moment to chill and reevaluate. As we told you ... DJ Paul agrees.

One more thing -- Minaj's comment about family got many wondering if she's pregnant. We're told she's not ... yet.

Ariana Grande's brother is cleaning up the tea he spilled about her dating life -- that is to say, she is NOT dating Social House singer Mikey Foster.

Frankie Grande sent folks into a frenzy Wednesday when he said he went on a "double date" with Ariana and Mikey ... but now he says he was not implying Ariana and Mikey were an item.

Frankie started backstroking Thursday, saying ... "My sister is not in a relationship. Everyone relax. She is very much single."

Now, Frankie says his "double date" comment just meant Ariana and Mikey went out for dinner with him and his boyfriend, Hale Leon.

Aaaand breathe, everyone.

BTW ... Ariana and Mikey have been dogged by dating rumors ever since they collabed on her track, "Boyfriend" -- which probably explains why Frankie's comment caught fire.

As you know ... Ariana's got a long list of famous exes ... including Pete Davidson, Big Sean, Ricky Alvarez and Mac Miller. The bad news for Mikey is he's NOT dating AG (in case that wasn't clear), but on the other hand ... he won't be on her list of exes.

Nicki Minaj says she's leaving the music biz ... she's decided to retire because HER family's the next priority.

The rapper made the stunning announcement in a Thursday morning tweet ... saying she's gonna retire because she's ready to become a mom. She wrote, "I've decided to retire & have my family. I know you guys are happy now. To my fans, keep reppin me, do it til da death of me, X in the box- cuz ain't nobody checkin me. Love you for LIFE."

Nicki seems to be saying 2 things ... 1. that she wants to become a mom, and 2. that she's sick of the trolls.

What's not clear ... is she blowing off steam or is this the real deal?

If Nicki's in fact done with the rap game ... she leaves behind a storied legacy. The pride of Trinidad and Tobago and Queens earlier this year became the first female rapper to officially sell 100 million units across her albums, singles and features as certified by the Recording Industry Association of America.

Nicki's been nominated for 10 Grammys, earned a Guinness World Record in 2017 for most Billboard Hot 100 entries by a solo female artist and hauled in five MTV Video Music Awards. It's unclear if retirement means she's also done with the popular "Queen Radio" show.

TMZ broke the story ... Nicki and her boyfriend, Kenneth Petty, got a marriage license not long ago. She's called him her husband since then but we haven't been able to confirm they've actually tied the knot.

But one thing's clear, they seem to be going full steam ahead ... with starting their family seemingly on the horizon.

Originally Published -- 11:50 AM PT

Kevin Spacey's getting more comfortable returning to the spotlight, at least when he's overseas ... and out and about in the wee hours of the morning.

The actor joined a street band in Seville, Spain to sing AND play acoustic guitar on a couple oldies but goodies ... and everyone appeared to be having a fantastic time.

Spacey and the band, reportedly known as Tuna de Derecho de Sevilla, first performed Ritchie Valens' 1958 hit "La Bamba" before turning it into a medley with The Beatles' version of "Twist and Shout."

Members of the band told Spanish media the former "House of Cards" star was at a nearby restaurant with some friends and they approached him last Saturday for a photo ... at around 2 AM. The time seems relevant when you see how everyone's carrying on in the video.

This is at least the second time Spacey's made a public appearance since his sexual assault criminal case in Massachusetts was dropped by prosecutors in July.

As we reported ... Kevin put on a solo pop-up poetry production in Rome last month, but it was much more staged than this street performance.

Add this to the reasons why Lizzo is 100 percent that bitch ... she's got no problem taking bottles of champagne straight to the dome!!!

Lizzo had a helluva holiday weekend, that was only beginning when she performed at the Made in America festival. Turns out things got REAL afterward when she partied with DaBaby and Megan Thee Stallion -- hitting up NOTO Philadelphia and handling the bottle service all on her own.

The "Truth Hurts" singer had good reason to celebrate Sunday night ... her catchy track's been one of the summer's hottest hits, and it just snagged the No. 1 spot on the Billboard charts after she killed it with her VMAs performance.

No wonder Megan gave Lizzo a huge hug!!!

Lizzo stole the show at Jay-Z's annual music fest, and everyone went WILD when DaBaby joined her on stage and started grinding on her!!!

The good times kept rolling deep into the night as she rocked a "100% That Bitch" t-shirt while turning up.

Aaron Carter is adding to his home arsenal ... hitting up a pawn shop to purchase 2 guns and a bunch of ammunition.

The singer dropped by Rick's Pawn Shop Tuesday in Lancaster, CA ... and we're told Aaron bought a handgun and a rifle, plus 300 rounds of hollow tip bullets.

Looks like Aaron is dead set on starting his own gun collection after inheriting a massive cache of weapons from his father. Aaron got his gun license less than 2 weeks ago, and he immediately bought a 9mm handgun and 2 assault rifles.

After Tuesday's purchase, Aaron owns at least 5 firearms -- still a long way to go to catch up to the 500 guns he says his pops passed down to him.

We broke the story ... Aaron told us last week owning assault weapons is a necessity, because his dad taught him to protect himself and his family by any means necessary. Aaron also said his mental stability is "infinite" -- despite loved ones being concerned about his mental health.

BTW ... Aaron had his background check flagged two years ago when he tried to buy a gun in Florida, which was around the time he entered rehab.

Trina's mother has passed away ... TMZ has learned.

The 'Love & Hip Hop' star and legendary femcee's mom, Vernessa 'Nessa' Taylor, died Tuesday morning, according to Trina's rep. We're told she lost a battle to cancer.

Trina's camp tells us that Nessa was the rock that molded her daughter into the strong, successful woman she's become, and that she was also a pillar in her community in advocating for self-love, confidence and perseverance among women in general.

The rep tells TMZ ... "Thank you all for your kind words and condolences regarding Trina’s mother. It truly gives the family some peace and comfort knowing that 'Nessa' lived such a fulfilling life filled with love and abundance." Trina's team asks for privacy as the family mourns.

Trina mentioned her mother in her music, notably referencing her in a song similar to Pac's "Dear Mama." In her 2017 track -- simply titled "Mama (The One)" -- Trina raps about wanting to pass before her mother did 'cause of how attached she was to her.

Trina's lyrics go like this ... "Thinking 'bout you mama / Got me running to the liquor / Mama where you goin'? / I'm gon' have to beg to differ / I'd rather go first, so I wanna go with you 'cause I can't do this without you." Obviously, they were incredibly close.

Just last year, Trina and co. threw Nessa an extravagant rooftop birthday party, where photos and music were in abundance and a good time was had by all. Even in this clip though, you can see Nessa struggling a bit to walk -- it's clear she was ill at the time.

We're told Trina's inner circle is trying to keep her grounded during this difficult time, and that she's surrounded by loved ones as she works through the grieving process.

Nessa was 62.

Haley Smith -- a former contestant on "American Idol" -- died over the weekend after crashing her motorcycle in Maine ... TMZ has learned.

The singer passed away early Saturday morning in Millinocket, Maine in a one-vehicle crash after police say it appears she failed to make a sharp turn along a residential road that becomes a highway in certain sections. Police say she was pronounced dead at the scene.

Her father, Mike Smith, tells TMZ ... Haley was riding on a country road and her family believes a deer might've caused the accident -- as he implied she was a good rider, and they doubt she simply lost control of her bike.

Haley's time on 'AI' was relatively brief in 2012, when she auditioned in Colorado during season 11. She didn't make it beyond the second Hollywood round, but Haley certainly left an impression on the judges at the time in her audition.

She sang Rufus and Chaka Khan's "Tell Me Something Good," putting a folksy twist on it that left Randy Jackson, Jennifer Lopez and Steven Tyler pretty impressed.

Steven even said it was an honor to hear her sing, 'cause he said she was out of his "era" with her look, sound and vibe.

Haley was 26, and her family says they were preparing to celebrate her birthday this upcoming November.

RIP

Vic Mensa rolled up on ICE headquarters in downtown Los Angeles, stopped traffic and rocked the hell out ... and the protest show went off without a hitch.

The rapper/singer and his band, 93PUNX, stopped traffic and put on a free concert Monday afternoon in the back of a flatbed truck, parked right in front of the building.

Vic and co. broke into their single, "Camp America" ... a blistering track criticizing the U.S. government for its treatment of immigrants. Surprisingly, they were allowed to continue performing for a crowd of about 100 for nearly 40 minutes ... despite the clear "f**k ICE" theme.

We're told cops blocked off the street before finally shutting it down. Mensa was very pleased with the outcome of his first anti-ICE show ... telling us it was a victory. Vic also reiterated the point of it all, saying the treatment of humans right now in this country is unacceptable ... so he wanted to let the people making the decisions know that.

Granted, it was Labor Day so nobody was working inside the ICE HQ ... but we're guessing the message was still received.

French Montana is the ultimate immigrant success story and hopes to be an inspiration for others in this country ... even when it seems the Prez is against them.

We got the "Jungle Rules" rapper out this week ... he tells us he owes his livelihood to the U.S. -- where he emigrated and became a U.S. citizen a year ago in June -- and believes there are a lot of kids out there with the potential to follow in his footsteps.

Based on the video ... that means getting to a point where you have a person to help untangle your bling.

The problem -- French also believes there are a lot of Donald Trumps out there trying to crush the dreams of people from underprivileged countries ... so he vows to do what he can to help them keep the faith.

As for how he plans to achieve this ... it doesn't seem like going the Kim Kardashian route and getting face time with POTUS is in the cards. The rapper says it's more about continuing to give back to the less fortunate.

Montana's mission is a noble one, but if he wants to be a beacon for immigrants ... he should probably avoid more street scuffles. We broke the story ... French was fuming after an alleged attack the morning after VMAs, especially at his own security.

Additional footage of the incident showed French as the aggressor, though. So far, he hasn't been charged for his role in the altercation.

Justin Bieber's in a reflective mood on this Labor Day ... opening up in a VERY big, and wordy, way about his personal roller coaster of life.

The Biebs had a lot to get off his chest -- something like 1,000 words worth of stuff -- and blurted it all out in a post you might go blind trying to read. So, allow us to sum up his points:

- His struggles growing up with 2 very young parents
- Coping with sudden attention from millions of fans
- His darkest days which included doing "pretty heavy drugs at 19" and abusing all his relationships. He admits becoming "resentful, disrespectful to women and angry."

- Going through a cycle of disappointment, which he admits sometimes drove him to the point "where you don't even want to live anymore"
- Feeling unfulfilled despite all his money, clothes, cars, accolades and achievements

But with his nuptials set to go down later this month ... seems Justin's excited about entering the next phase in his life, and he finally feels fulfilled.

He writes, "Luckily god blessed me with extraordinary people who love me for me. Now i am navigating the best season of my life 'MARRIAGE.' !! Which is an amazing crazy new responsibility. You learn patience, trust, commitment, kindness, humility and all of the things it looks like to be a good man."

Kanye West's Sunday Service is on the road again ... this time he took the choir to good ol' Watts, and none other than Brad Pitt showed up to feel the good vibes.

Brad was among the large group of worshipers who surrounded Kanye and his choir Sunday in the parking lot of a church. We're told it was a spur-of-the-moment deal, and Brad's presence was a surprise to almost everyone who showed up.

Maybe it shouldn't be going forward, 'cause our sources tell us this is his second time coming.

You can see Brad rockin' his signature charcoal-colored cap. We're told the actor was mostly unbothered by fans as he blended in with the crowd. Yes, Brad Pitt can blend in in Watts.

Other VIPs for this week's Sunday Service included L.A. Reid, Adrienne Bailon, Kourtney, Khloe, Kendall and radio personality Big Boy.

Meanwhile, Kanye was doing his usual thing ... jamming out with the choir and the band on hand in the middle of the group. It looks like there was singing, dancing and, of course, a sermon was given at one point ... the whole church experience, which Ye's been taking around the country lately.

Looks like Kanye's recent Sunday Service road trip is becoming the norm. Remember, he was just in Dayton, OH last week with Kim and his kids ... where he helped Dave Chappelle put on a free concert and service for the grief-stricken community.