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JoJo Siwa says her relationship with Nickelodeon isn't fractured beyond repair amid a dispute over her upcoming tour ... but she says it's gonna take a lot for them to mend fences.

We got JoJo outside the Loews Hotel in NYC and asked her about Tuesday's beef with Nickelodeon. She says the network's blocking her from performing songs from her recently released musical when she embarks on a 37-city tour in January.

JoJo told us her problem is Nickelodeon treating her like she's just a brand ... and forgetting she's a person too.

You can tell from her tone ... JoJo's ticked off the relationship's gone south. She says she's frustrated folks with less tenure than her at Nickelodeon are trying to call the shots on what she can and can't sing.

While JoJo says her home network's not supporting her ... she's turning to other child stars like Bella Thorne, Miley Cyrus and Demi Lovato for sage advice.

Sounds like JoJo's hopeful they can still come to an agreement before her tour, but she also leaves open the possibility of going against the grain.

Lil Mo is calling out Fat Joe for referring to her as a dusty bitch crackhead during "Verzuz" ... saying he's way outta line, and totally insensitive to all people battling addiction.

Here's the deal ... Fat Joe came under fire after ripping Lil Mo and another female rap legend, Vita, during his Tuesday night musical showdown with Ja Rule. He said Ja must have found them in a "crack house."

Lil Mo tells TMZ ... Fat Joe's comments are "vile" and "disrespectful" and he should know better than to use those degrading terms, especially in light of recent celeb deaths, like Michael K. Williams, from drug problems.

In fact, Lil Mo says Joe's disses were actually triggering to her, because -- even though she's clean now -- she's dealt with her own opioid addiction issues in the past.

Fat Joe ended up apologizing publicly -- he also says he told Lil Mo and Vita sorry to their faces -- and Remy Ma rushed to his defense on social media, but Lil Mo says he shouldn't get off the hook so easy.

Usher is standing up and speaking out for his pal Jermaine Dupri ... telling us JD definitely has bangers to compete with Diddy on "Verzuz" -- despite what the latter says about it.

We got Mr. Raymond out Wednesday in Hollywood, where we asked about this back and forth his music industry friends and mentors had about a potential song-for-song showdown on the big stage.

Sounds neat, but Puff made it seem like he was too good for all that -- or too good for JD, rather ... suggesting the dude doesn't match him on hits. To that, Usher says ... hold up!

When we explained what Diddy's saying in response to Jermaine's proposed matchup -- namely, that JD isn't on his level, Usher gave us a side-eye look ... and then defended his longtime producing partner -- who literally made "Confessions" go diamond, among many other accolades.

You gotta watch how Usher breaks it down here -- because on the one hand, he clarifies that Jermaine absolutely has a catalog of hits that could stand up to Diddy's ... but he stops short of declaring who'd be the winner. His allegiance is clearly torn down the middle.

If you didn't know, Diddy gave Usher his start in the music industry and they have deep ties -- but Jermaine has worked with him more often, and has helped Usher reach unimaginable success. It's a tight rope of a convo, but Usher handles it pretty well.

Fat Joe and Ja Rule went head-to-head at their highly anticipated "Verzuz," but the women they brought on stage might have come out on top of what turned out to be more of a love-in than a battle.

The 2 rappers squared off for 20 rounds at Madison Square Garden Tuesday night, playing almost all of their major hits, but at one point Joe stopped the show to present gifts to a couple of their special guests -- Ashanti and Remy Ma.

The ladies guested on both of the guys' tracks, and are credited with elevating the show beyond the back-and-forth barbs and posturing ... and Joe rewarded them with Hermes handbags.

Other big names who joined in on the "Verzuz" fun included Nelly, Lil Mo, Vita, and Dre from Cool & Dre ... but, there was also one notable absence -- 50 Cent.

As you know ... Ja and Fiddy have had beef for decades, so fans were hoping for a surprise showdown, but it didn't happen -- much like Ja Rule suggested it wouldn't.

Nicki Minaj is fiercely defending herself after letting it be known she won't be getting the COVID-19 vaccine until she's done enough research.

Nicki responded to tweets practically all of Monday night after she'd posted an explanation for her absence from the Met Gala, which required all guests to be vaccinated. She declared, if she gets vaccinated "it won't [be] for the Met. It'll be once I feel I've done enough research. I'm working on that now."

Then, about 20 minutes later, she dropped the tweet that still has social media fired up today. Nicki said her cousin in Trinidad won't get the vaccine cuz "his friend got it & became impotent. His testicles became swollen." She added that "his friend was weeks away from getting married, now the girl called off the wedding. So just pray on it & make sure you’re comfortable with ur decision, not bullied."

Nicki isn't pleased that anecdote is the one grabbing headlines. She's pointing out her critics are purposely ignoring her prior tweets encouraging people to get vaccinated, wear masks and be safe.

She also shared a screenshot of news headlines and called them all lies. Nicki wrote, "3 lies in a row from huge news platforms. I cited my young child as why I didn’t want to travel. But notice how NONE of them mentioned that? Ask yourself why that was."

Nicki also shared that she came down with COVID while preparing for this year's VMAs ... and she feared passing it to her son, who was born last September.

She tweeted, "Do u know what it is not to be able to kiss or hold your tiny baby for over a week? A baby who is only used to his mama?"

Apparently, Nicki's now satisfied with her research -- she relented she will eventually get the vaccine, because she'll have to travel and go on tour.

Kid Cudi boldly went where no man has gone before at the 2021 Met Gala ... with damn near a couple million in bling hanging from his neck!!!

The "Man On the Moon" artist was decked out in a vibrant Louis Vitton getup for the event, but the centerpiece of the look was his not-so-little man on the moon ... an opulent, one-of-a-kind piece designed by Ben Baller and KAWS.

We're told the chain and pendant -- museum quality diamond work titled "SPACE" -- is a whopping $1,600,000 piece ... featuring more than 24,000 clarity E color diamonds, and more than a kilo in 18k rose gold.

The celeb jeweler says, "This is the most detailed and intricate piece of jewelry I’ve ever created in my entire career," adding that he had to shut down his entire factory for 3 months to focus on completing it.

The piece is a miniature take on Kaws' famous "Holiday Space" astronaut figure, and Baller says the pendant's backpack has a secret compartment where Cudi can keep weed -- or other small stuff -- in it.

Flavor Flav says Chuck D is actually the one stalling any sort of reunion for Public Enemy -- as Chuck's saying -- but now Flav is laying out a solution to their standoff.

We got him Monday at LAX, and asked for an update on where things stood with his partner in rhyme. Remember, we spoke to Chuck earlier this year, and at the time, he made it seem like FF was blocking the iconic group from rekindling things and touring.

That's not the case at all ... or so claims Flav, who tells us Chuck's the one stonewalling things -- and it sounds like it's all over business, and good old-fashioned dollars and cents.

Watch Flav break down the drama here ... he says there's a partnership agreement he wants CD to sign, but it doesn't seem that's happened yet -- which Flav says is preventing them from working together again. He seems totally transparent about their issues, but Chuck might view this as Flav airing the family biz in public.

Remember, we asked Chuck about this exact issue during a hip-hop celebration in the Bronx (sans Flav) ... and he was pretty vague about what their specific issues were. Flav isn't holding back at all.

Of course, all this drama stems from their years-long falling out -- and Flav's effective firing from the group last year.

Blueface is accused of viciously attacking a doorman at a club, and video of the incident shows 3 other men jumped the guy too ... and it's incredibly brutal and disturbing.

TMZ's obtained security footage from late Sunday night at Skinny's Lounge in the San Fernando Valley, where the rapper and his crew are accused of pummeling the club's bouncer for not letting Blueface in without his ID.

As you can see, the altercation started in the entryway to the club, and a member of Blueface's group throws the first punch ... then Blueface and the other 2 men proceed to attack, unloading a flurry of punches and kicks.

It appears a woman in the group is recording the attack on her phone, before Blueface seemingly stomps the bouncer. Then, another guy tries to lift him up by his feet while the attack continued.

Blueface is the last person seen on the video, and appears to give the bouncer a couple of taps to see if he's conscious before leaving.

As we reported ... the bouncer had to be transported to a hospital by ambulance where he got stitches, and photos of his injuries look pretty bad.

Justin Bieber used his VMA acceptance speech to give a huge shoutout to his buddy, Conor McGregor ... saying the UFC superstar will be back better than ever after his devastating leg injury.

33-year-old Conor was at the 2021 MTV Video Music Awards to present the "Artist of the Year" award Sunday night ... rocking a bright, pink suit, his walking cane and a massive smile.

While McGregor got into an intense scuffle with Machine Gun Kelly before his appearance, he was all calmed down once it was time for him to announce the category's big winner.

"New York is back and so is the Mac," Conor said. "2022 will be our greatest year yet."

And when it was time to reveal the winner ... McGregor couldn't be happier.

Of course, Conor and Bieber have gotten pretty close recently -- from catching rays poolside to being guests at each other's concerts and fights -- so it was only right The Notorious was able to share the awesome moment with the "Peaches" singer.

Bieber name-dropped his wife, Hailey, and rapper Travis Scott after grabbing the Moonperson ... and then guaranteed Conor will make a big comeback after snapping his leg against Dustin Poirier at UFC 264.

"Conor, we're gonna get 'em next time, my boy," Bieber said. "Let's go."

If an awards show isn't followed up by a slew of celebs hitting up afterparties all over town ... is it even an awards show at all???

Attendees at the 2021 MTV Video Music Awards made the night official by celebrating around NYC afterward ... with events hosted by the likes of Travis Scott, Dave Chappelle and Doja Cat.

Other celebs spotted toasting to success included Justin and Hailey Bieber, Madonna, Pete Davidson and the night's big winner -- Lil Nas X, who won Video of the Year for "MONTERO (Call Me By Your Name)."

There was also a couple's dinner sighting, as MGK and Megan Fox shared a "future baby daddies" meal at Cipriani with Travis Barker and Kourtney Kardashian ... before MGK and company made it over to Chappelle's party at Lure.

As you'd expect, Dave's event had major star appeal with Colin Jost, Dave Grohl and Jon Hamm joining the festivities.

Ja Rule's clapping back after Fat Joe said he's going to drag him for their "Verzuz" battle ... essentially saying Joey Crack's threat is music to his ears.

The "Put It On Me" rapper tells us he's practically salivating at the idea Fat Joe's been talking (friendly?) smack ahead of their highly-anticipated "Verzuz" battle on Tuesday at the Hulu Theater inside Madison Square Garden.

Ja's not running scared. Far from it -- he's like a fighter in the ring ready for the bell to ring ... this after Joey Crack called Ja saying, "Everybody know you got all the hits, but I'mma have to drag you. I'm about to bring you into the projects, Trinity Ave."

He added this shot ... "You my brother. I love you, but I'mma have to get you up out that cardigan sweater." You know it's on when you diss a man's sweater. Real street s***.

But, Ja told us he's got no problem taking it to the streets. We really set him off, though, when we brought up the rumor 50 Cent might make a surprise appearance during the "Verzuz" battle.

He warned it would be the dumbest thing Fiddy -- with whom he's had beef for decades -- ever did, IF he shows up at MSG Tuesday night.

Either way, Ja insists he's ready to take down Joe AND 50 Cent, if necessary. #DingDing.

Scooter Braun is moving on with his life after filing for divorce ... he just snagged a ridiculous mansion for which he paid a king's ransom.

Scooter, who manages Justin Bieber, Ariana Grande, Demi Lovato, Carly Rae Jepsen and David Guetta to name a few, just closed on a $65 estate in Brentwood CA.

TMZ broke the story ... Scooter filed for divorce from Yael Cohen. They were married for 7 years and have 3 kids.

The mansion is 19,000 square feet with 6 bedrooms, 12 bathrooms, a gym, theatre and more ... with sweeping views of the Pacific Ocean and the lights of L.A.

The house sits on 4 acres, which is massive for Brentwood. It's new construction ... completed this year. It was listed for $70 mil in June, so the seller got fairly close to asking.

Musician Stephen Rezza -- who was dating Christina Grimmie when "The Voice" star was shot and killed in 2016 -- had his car smashed up ... and it looks like it was all captured on surveillance video.

We're told Rezza was inside a music studio he rents in L.A. when his car was vandalized in the parking lot outside the building.

As you see ... the vehicle's windshield got smashed, and video footage -- obtained by TMZ -- appears to show someone using a large rock to do damage to the car 3 separate times.

Law enforcement sources confirm a vandalism report was taken and they're investigating. Rezza told cops he believes it was his ex-girlfriend who damaged his car.

Rezza's had a rough go lately -- he recently had a brain tumor removed, but has been suffering from seizures, saying his health is at an all-time low.

He was Grimmie's boyfriend when she was murdered in 2016 at an Orlando concert by a man who was an obsessed fan. The man killed himself after fatally shooting her.

2 Chainz has made a statement about the fentanyl epidemic that has ripped through Hollywood and the nation, by throwing a "no fent" birthday party for himself.

Chainz is turning 44 Sunday, and he marked the occasion a few days early with his party Friday night.

The party, which went down in Atlanta at the Members Only Lounge, was not exactly drug-free. He posted a vid of bags that appear to be psilocybin mushrooms.

The bash had a theme -- Hippie's in the '70s -- which sounds kinda awesome.

Chainz and his wife, Kesha Ward, posted pics of them in their party getups.

As for the "no fent" theme ... there have been a rash of fentanyl-related deaths recently. TMZ broke the story, comedians Fuquan Johnson, Rico Angeli and Natalie Williamson all died of a suspected accidental fentanyl OD last week in Venice, California.

And, 16-year-old Logan Williams, who starred in "The Flash," died last year from an accidental fentanyl OD.

Michael K. Williams was found dead last Monday in his Brooklyn apartment, and authorities found drug paraphernalia at the scene. Authorities believe the death was heroin-related and toxicology tests are being run to determine, among other things, if fentanyl was involved.

Tiffany Haddish got emotional with us talking about her friends she lost to fentanyl-related OD's.

"Intervention" host Ken Seeley told us on "TMZ Live" this week how fentanyl hooks people who use drugs and how it takes many of their lives because of its extreme toxicity.

Mick Brigden, a mainstay in the music industry whose work included tour manager for the Rolling Stones and Bob Dylan, has died.

Mick's wife says her husband was digging a grave for their dog at their home in Santa Rosa, CA when he suffered a medical emergency and was rushed to a hospital, where he died.

The cause of death has not been disclosed.

Mick began his career as a concert promoter and worked with Van Morrison, Joe Satriani, Humble Pie, Peter Frampton and Carlos Santana. He was one of the founders of Wolfgang Records, which released multiple albums by Eddie Money, including his first, self-titled album in 1977.

Outside of music management, Brigden had a passion for winemaking, supplying grapes grown in his Northern California vineyard to make an exclusive Owl Ridge cabernet.

This has been a rough period for the Stones and Stones fans. Charlie Watts, the group's one-and-only drummer for 6 decades, died last month.

As for Brigden ... he's survived by his wife of 34 years, Julia, son Jack, stepdaughter Jessica and grandson David.

Mick was 73.

RIP

Diddy is snatching up more property on Miami's exclusive Star Island -- TMZ has learned he's the mystery buyer who dropped a huge sum on Gloria and Emilio Estefan's mansion.

According to sources and property records ... Diddy threw down a cool $35 million for the former Estefan estate on Star Island, which the couple bought way back in 1993 for only $1,840,000. How 'bout that return on investment?!?

TMZ broke the story ... Gloria and Emilio unloaded the mansion back in July and got top dollar on their investment, but we didn't know who the new owner was.

Diddy now has plenty of room to shake his body and do that "Conga" -- the property is nearly 8,000 square feet with 6 bedrooms and 10 bathrooms, and it sits on a corner lot with waterfront views of the downtown Miami skyline.

Oh and there's also a 2-story guest house with 3 bedrooms, a spacious living room and its own killer views.

Diddy's kinda playing Miami Monopoly here ... we're told he also owns the property next door, which he purchased in 2003. It's unclear if he plans to combine both properties.