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11:12 AM PT -- Law enforcement sources tell TMZ ... the man who crashed Britney's set is 37-year-old Jesse Webb. We're told he was acting disorderly during her performance from out in the crowd, and was asked to leave by security. That's when he jumped onstage and got tackled. He was arrested for trespassing -- no weapons were found on him. Dude looks like a charmer.

Britney Spears got bum-rushed by a guy who is probably hurting this morning, because her dancers and bodyguards annihilated him.

It went down Wednesday night in Vegas at Britney's Piece of Me show at Planet Hollywood. As Britney sang "Till the World Ends" ... a man crept onto the stage and made his move.

Security and the dancers lunged at the guy as Britney seemed oblivious to the danger. You hear her ask if everything is OK. Check it out ... Britney's knee buckled as she clutched a security guard and asked, "He's got a gun?"

The man was subdued and ejected, but not before either kicking or kneeing one of the guards.

Colin Kaepernick's camp is adamantly denying he turned down an NFL contract in order to "play up the race card" ... calling the report a "bold faced lie."

Multiple people in the QB's inner circle say there's absolutely zero truth to a Daily Caller report that Kaep shot down an offer from an unnamed NFL team in order to stir up "a media frenzy that eventually leads to a more lucrative deal."

As one well-connected Kapernick source tells TMZ Sports, "Colin NEVER had any talks about any contract or any money" with any NFL team.

Dolphins star WR Jarvis Landry is under investigation for domestic battery ... Ft. Lauderdale police tell TMZ Sports.

The alleged battery occurred on April 1, 2017. In the incident report "hands, fist, feet, teeth" are listed as weapons used in the alleged incident. Landry has not been arrested, or charged with a crime.

A rep for the Ft. Lauderdale PD tells us, "this is an open investigation that has been sent over to the State Attorney’s Office for review."

Dolphins head coach, Adam Gase, said the team is aware of the situation, but refused to comment further.

A rep for the NFL tells us the league is investigating, saying "the matter is under review."

Landry, 24, is one of the best receivers in the NFL ... making the Pro Bowl in '15 and '16.

12:10PM PT -- Estrella Cerqueira, the mother of Landry's daughter, who was allegedly involved in the incident, released the following statement through J.L.'s rep.

“In March of 2017 the father of my child and I had a vocal disagreement that resulted in someone calling 911. I, myself did not call the police. When the police arrived they determined that there was no cause for any arrests nor was there any concern for my physical well-being. There were no arrests made, there were no criminal charges, I was not in any way physically harmed Yes, we are going through a civil family court case and emotions are high, but I would like to make it very clear that Jarvis would never, ever do anything to harm me or anyone else. Jarvis and I are happily raising our beautiful daughter and I would like to make a plea to the media that they refrain from spreading this completely false story.”

'Real Housewives of New York' star Luann D'Agostino and her husband are calling it quits.

Sources close to Luann tell TMZ ... Tom D’Agostino didn't get along with Luann's family and it seemed his inappropriate behavior in the past was too much for the family to get over once married.

She made the shocking announcement Thursday on Twitter, saying, "It's with great sadness that Tom & I agreed to divorce. We care for each other very much, hope you respect our privacy during this sad time!"

Luann -- who got married just 8 months ago -- had a tumultuous relationship with 2 of her 'Housewives' co-stars, Ramona Singer and Sonja Morgan. Luann constantly bickered with them because Ramona and Sonja would bring up the fact they used to date Tom. Awkward.

Luann and Tom started dating in late 2015 and have no children.

J. Cole's visit with San Quentin inmates included deep conversation and plenty of photo ops -- but it did NOT include a walk down the green mile ... TMZ has learned.

Photos of Cole hanging with San Quentin prisoners surfaced this week -- showing him, and his Dreamville team, sitting and talking in the yard, cell blocks and a classroom.

While San Quentin is California's only death row prison, sources close to the institution tell us Cole only took a general civilian tour. That means he only got to see Level 1 and 2 inmates. Everyone above that level, including death row, was off limits.

We're told Cole spoke openly about some of his friends who've been incarcerated, and took an interest in San Quentin's media center ... where inmates host a podcast called "Ear Hustle."

It's a 3-PEAT for Chad Johnson's daughter Cha'iel ... the 12-year-old track star just DOMINATED to win gold medal in the 800m race at the AAU Jr. Olympic Track & Field Championships for the 3rd year in a row.

Cha'iel -- who's won the competition with ease the past 2 years -- crossed the finish line Wednesday with a time of 2:13.72 ... nearly 2 whole seconds faster than the 2nd place finisher.

Mini-Ocho's not letting up, either ... she finished almost 6 seconds faster than her time 1 year ago (2:19:60).

Seems the war between Tyron Woodley and Dana White has cooled off ... with the UFC president telling TMZ Sports they finally talked things out after blasting each other in the media.

It all started after UFC 214 -- White ripped Tyron's performance against Demian Maia. Woodley fired back demanding a public apology from White or else he would "start leaking some sh*t that people don't want to be out in the wind."

We reached out to White to see where things stand and he told us, "Woodley and I talked and he said he was just pissed and upset and didn't mean it."

We also spoke with Tyron who says, "We good."

Justin Bieber's blood father is back on the scene ... just days after some huge events in his son's life, and word he had been leaning on Pastor Carl Lentz for fatherly guidance.

Bieber's pops, Jeremy, flew to L.A. from Ontario, Canada over the weekend with Justin's younger brother, Jaxon, in tow. Jeremy was seen driving around town in a convertible ... tailing Justin who was in his own vehicle.

Sources connected to Bieber say Jeremy's visit is absolutely a direct response to Justin's tumultuous week -- from pulling the plug on the Purpose tour, to accidentally hitting a pap with his truck.

And there's this -- as we first reported, Lentz has stepped up over the last several months as a father figure ... spending time with Justin on the road, and back home in Los Angeles. He's the one Justin turned to when he wanted to discuss ending the tour.

Our sources say Justin's had little, if any, relationship with Jeremy all year. It appears the last time they were together was around Christmastime. We're told Jeremy's here now because he just wanted to reconnect and hang with his kid.

So far, so good. Justin's been pretty chill during the visit.

The Steph Curry party train is rollin' HARD this summer -- dude crashed a random house party this weekend and slammed beers at 2 in the mornin' ... and it was all caught on video.

The 29-year-old NBA superstar was in Newport, Rhode Island on Saturday night for the wedding of his ex-Warrior teammate, Harrison Barnes -- and after the party, he was on the hunt for the after-party.

So, he rounded up a gang of 5 dudes -- including Kent Bazemore -- and rolled over to a nearby house that was bumpin' loud music.

They knocked and asked if they could join in -- and the gang of 20-something-year-olds inside immediately passed over the Bud Lights.

They wanted Steph to shotgun the beers -- but Curry decided it was best to just chug. He ended up wearing half the can on his Steph Curry UA shirt.

We're told the guys partied for about 30 to 45 mins and everyone had a blast.

Epic end to an epic night. No sign of Kyrie, BTW.

The USC football player who kicked the winning field goal in the '17 Rose Bowl against Penn. State has WRONGLY been painted as a domestic abuser ... so says his girlfriend.

Matt Boermeester was suspended from the University of Southern California earlier this year while school officials investigated him for an alleged "code of conduct issue."

Sources close to the senior tell us the issue was a Jan. 25 incident involving his girlfriend -- a USC student athlete -- where things allegedly turned physical between the two.

Now, his girlfriend has issued a forceful statement not only DEFENDING Matt -- but slamming USC for punishing him for a crime he didn't commit.

"I am Zoe Katz and I am a 22 year old student athlete at USC (captain of the women’s tennis team), nationally ranked singles player and have been dating Matt Boermeester for well over a year."

"Matt, the Trojan kicker who helped win the Rose Bowl, has been falsely accused of conduct involving me."

Katz says she and Matt were both mistreated by USC in a "horrible and unjust 6 month process" that included multiple interrogations as part of a Title IX investigation.

"Terrible and untrue things have been said about Matt by people who don't even know him, including apparently the third party who contacted Title IX, and these bizarre assertions have been treated as fact in this investigation."

"Words, including mine, have been incompetently or intentionally misrepresented, misquoted and taken out of context, which should not be that surprising since no statements were recorded or verified."

Zoe says she's been wrongly stereotyped as a "battered woman" -- and she's pissed that Matt is being punished in such a way, school officials won't let him rehab his knee with USC trainers after undergoing surgery earlier this year.

"Game of Thrones" star Nikolaj Coster-Waldau claims he got duped into signing a deal that sucked money out of his pockets, but his former manager says he's forgetting some facts.

Nikolaj -- who plays Ser Jaime Lannister on 'GoT' -- filed docs Friday saying his former manager, Jill Littman, tricked him into signing a contract in 2011 ... and again in 2014.

In the docs, obtained by TMZ, Nikolaj says he had a verbal deal with Jill to pay her 10% commission. He says he never wanted a written deal, and only signed one when Jill told him it was required so her agency could sponsor his work visa. Nikolaj's Danish.

But Jill, who's repped by Howard King, insists there was trickery. She says Nikolaj signed the 2014 deal -- then in 2015, when he wanted out ... she says he promised he'd pay her commission for 'GoT' until it ends.

Craziness behind the scenes at the UFC 214 weigh-in Friday morning -- when Jon Jones' NFL brother, Arthur Jones, got into a heated exchange with several members of Daniel Cormier's camp.

We spoke with Arthur who says 6 members of Cormier's team were running their mouths at him during the weigh-in ... so he started jawing back.

Don't worry, it didn't get violent ... but you can tell everyone hates each other.

As we previously reported, Arthur and D.C. traded insults following UFC 210 a few months ago -- they don't like each other either.

Arthur says Jon's sick of talking -- he's ready to fight.

Justin Bieber accidentally ran over a photographer as he left a church service in Beverly Hills ... and the loud impact was captured on camera.

Justin was leaving the Saban Theater, where he'd been worshipping at a City Church event. He climbed into his monster pickup truck as photogs scrambled around the vehicle, and when he gunned it to pull away ... hit the man. It's pretty clear in the video ... Justin's front right side tire hits, or rolls over, the paparazzo.

Justin did not flee the scene and, in fact, stopped as soon as other photogs pointed out what had happened. Bieber stayed right by the man's side for roughly 8 to 10 minutes until paramedics and police arrived.

Justin spoke to police before he was allowed to leave the scene -- police tell TMZ he was not cited -- getting a ride from one friend, while another drove his truck.

Police say the photog suffered non-life threatening injuries to his lower body.

A few hours after he was taken to the hospital ... he posted a video describing the accident, and thanking Justin for being "compassionate."

The couple that sings together, blings together ... if you're Offset and Cardi B.

TMZ has learned the Migos rapper dropped 6 bands on his girl's new chain, which is blanketed in diamonds ... right down to the digits.

We're told Cardi was a huge fan of Offset's recently purchased pieces, including his $100k raindrop pendant, so about a month ago they hit up his guys at Avianne & Co Jewelers in NYC.

Cardi wanted something original so she handled the design and had him replicate her ILY hand gesture. Dip the whole thing in 20 karats of diamonds, plus 15 more karats on the chain and BAM!

Nice icy teamwork.

Chicago Bears linebacker Jerrell Freeman says he nearly BROKE A MAN'S RIBS while giving him the Heimlich in an Austin airport ... but says he quick action saved the dude's life.

Freeman was on his way to the Bears training camp when he saw a guy choking on brisket at an airport restaurant and immediately snapped into action.

"I tried to squeeze the life out of him and bring him back," Freeman tells TMZ Sports.

At one point the man told Jerrell he thought he may have cracked a rib, to which Freeman responded -- "It's either one of your ribs or your life man! Gotta take one, leave the other one!"

In the end, Freeman says he successfully dislodged the food from the man's throat and the guy praised him as a hero and thanked him for saving his life.

Then he went back to eating his brisket.

Seriously!

Blac Chyna is sending a message to Rob Kardashian -- and even her old side piece, Ferrari -- she doesn't need either of them to get around fast.

Chyna just purchased a 2017 Ferrari 488 Spider. The whip's starting price is around $334k, but Chyna's is custom with Forgiato wheels so it'll cost way more.

Chyna got the new wheels Monday, a few weeks after Rob took back both the Ferrari and Lamborghini he bought her after the revenge porn fiasco, and ultimate breakup.

It's interesting Chyna rushed to pick up the new luxury ride. She just appeared in Yo Gotti's "Rake It Up" video alongside Nicki Minaj, who has a line on the track where she raps: "Brought out the pink Lamborghini just to race with Chyna."

It appears Chyna fell victim to the hype.