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Diddy never seemed happier than on the streets of his hometown of New York Monday night -- a scene that offered no hint the music mogul would soon end up in federal custody facing a criminal indictment.

TMZ obtained new video of Diddy interacting with several excited fans on a darkened street in Midtown Manhattan approximately 30 minutes before federal agents arrested him at the Park Hyatt hotel nearby.

Check out the footage ... Diddy was having a very friendly chat with four dudes -- and everyone was wearing bright smiles on their faces. Diddy was so energized he gave a handshake to one of the guys who bowed and started laughing.

8:05 PM PT -- Just a couple hours before Diddy got busted, he was confidently strolling around NYC with his son Christian "King" Combs. He even stopped to greet some fans and take selfies.

7:13 PM PT -- A law enforcement source tells TMZ ... Diddy's arrest was scheduled for Tuesday. But something happened that caused the feds to move in a day earlier.

However, U.S. Attorney Damian Williams says federal agents took him in based on a sealed indictment filed by the Southern District of New York.

Diddy was just arrested and taken into federal custody in New York Monday night ... TMZ has learned.

Sources tell TMZ ... Homeland Security swooped into a midtown hotel late Monday where Diddy was staying and they arrested him. We have unconfirmed reports the feds are searching his hotel room.

We're told Diddy was taken to the federal building in lower Manhattan.

It appears the action was taken in connection with the ongoing criminal investigation into alleged sex trafficking and other offenses that led to search warrants being issued and executed at Diddy's homes in Beverly Hills and Miami. As we reported, a grand jury has been hearing testimony from various accusers over the last few months.

Matthew Perry relied on doctors to fuel his addiction, and turns out that's just the tip of the iceberg.

TMZ Studios has a new documentary -- "TMZ Investigates Matthew Perry and the Secret Celebrity Drug Ring" -- which drops today, Tuesday, on Hulu.

Several celebrities, including Kelly Osbourne, talk about how it's common knowledge in Hollywood that doctors provide specific drugs to celebrities. For her part, Kelly was able to score Vicodin and Oxy from various Hollywood doctors. And get this ... she was 13 at the time and the doctors never told her mom and dad what they were prescribing their daughter.

Canelo Alvarez's strength and punching power may scare some boxers, but not Terence Crawford, who tells TMZ Sports he's absolutely sure he'd get the victory over the Mexican superstar if the two fought.

Of course, at the moment, it's a big "if" ... as even though Crawford's made it clear he wants the scrap -- Canelo doesn't seem so sure.

If you missed it, following his Saturday night victory over Edgar Berlanga -- which Crawford actually attended -- Canelo said straight up "no comment" when asked about a potential tilt with Bud.

Miley Cyrus copied a popular Bruno Mars song for her hit "Flowers" ... at least according to a new lawsuit.

The singer is being sued for copyright infringement by Tempo Music Investments, a company claiming it owns a share of the copyright for Bruno's song "When I Was Your Man."

In the lawsuit, obtained by TMZ, Tempo Music claims there are so many musical similarities between Miley's "Flowers" and Bruno's "When I Was Your Man" that it's obviously the result of Miley "intentionally copying" Bruno.

Ryan Wesley Routh, the man accused of attempting to assassinate Donald Trump at his West Palm Beach golf course, once exposed himself to a woman who hired him to do construction on her home ... TMZ has learned.

We obtained a photo of a shirtless Ryan with his penis poking out of his fly ... and the woman who took the photo says she snapped it in December 2020, when he was building a loft at her home in Hawaii.

The woman tells TMZ ... she found Ryan on Facebook and paid him $4,000 for a 4-day home construction job ... only to find out he was a "bit of a pervert," as she described him.

The craze surrounding HBO's docuseries "Chimp Crazy" has become quite profitable for the sanctuary now housing the show's star, Tonka the Chimp.

A rep for Save the Chimps tells TMZ ... all eyes are on their nonprofit after Tonka was seen thriving there in the final episode of "Chimp Crazy," which was created by the same director as "Tiger King."

In fact, Save the Chimps has seen a notable increase in donations ... a 200% increase, to be exact.

"Hacks" snagged the Outstanding Comedy Series at last night's Emmys, beating "The Bear," which has been called out by some for not actually being a comedy -- and Susie Essman tells us while the Chicago-based show is unfairly criticized for its categorization, it's not the fault of the show's actors or crew.

The comedienne tells TMZ even though "The Bear" racked up a record-breaking 11 wins, at the end of the day, the show is a drama -- and probably shouldn't be included in the comedy category at all.

Susie spills the tea on why she thinks "The Bear" got labeled as a comedy series. Check out the video to hear her take!

"90 Day Fiancé" star Edward "Big Ed" Brown is refusing to give up on love ... the reality TV star is engaged again after a whirlwind romance.

Big Ed confirms to TMZ ... he met his now-fiancée, 29-year-old Porscha Raemond during a meet and greet with fans at Capriotti's ... a sandwich shop in Plantation, Florida.

As Big Ed tells us ... "it was love at first bite" for the pair, and so, Big Ed ended up proposing to Porscha within 24 hours of their first meeting.

Shelley Duvall's fans are livid about her being snubbed when she was left off the 2024 Emmys' "In Memoriam" segment, calling it downright disrespectful ... but her longtime partner isn’t sweating it.

Dan Gilroy tells TMZ he’s not upset over Shelley’s omission from the segment ... he's giving the Emmy producers the benefit of the doubt, saying it may have been an oversight -- noting segments like these are planned way in advance.

Dan also tells us, in the grand scheme of things, Shelley being left out of the segment is small potatoes compared to what he and Duvall dealt with over the past few years ... considering she suffered greatly while battling diabetes, which ultimately led to her death in July.

Derrick White was hit in the head by a spinning backfist on Saturday, new video obtained by TMZ Sports shows ... and it all appeared to be because the NBA champion was showing love for his alma mater.

White, a Boston Celtics star and a Univ. of Colorado alum, attended the Buffaloes' big rivalry matchup with Colorado State over the weekend at Canvas Stadium in Fort Collins in some CU swag ... and, initially, it looked like he was enjoying the game without issue.

But, one witness in attendance tells us during the second quarter ... the hooper got into a bit of a verbal spat with some Rams fans as Deion Sanders and Co. began handling business on the field.

Dan Levy may be one and done when it comes to hosting award shows ... hinting as much to us when we caught up with him after the 76th Primetime Emmys.

The "Schitt's Creek" co-creator hosted the year's 2nd Emmy Awards with dad Eugene Levy at the Peacock Theater in Los Angeles Sunday evening ... and while the father-son duo got mostly rave reviews for their hosting work, DL made it clear he was burnt out after all of it.

As Dan told TMZ ... he wasn't sure he had another awards show in him ... and stayed tight-lipped on whether he was eager to take the father-son act on the road, noting it took "a lot of work."

Matthew Perry went to rehab scores of times but it never stuck, and a new TMZ documentary explores how some of these facilities can do addicts way more harm than good.

TMZ Studios has a new documentary -- "TMZ Investigates Matthew Perry and the Secret Celebrity Drug Ring" -- which airs on FOX Monday night at 9 PM ET and drops Tuesday on Hulu.

The documentary exposes how a ring of doctors, enablers and rehab centers fuel the addiction of celebs, who pay them all a fortune for services that are the opposite of helpful.

Byron Scott is feeling MUCH better about JJ Redick leading the Lakers ... telling TMZ Sports he's more confident in his chances at success after bringing in some experienced coaches to be his assistants.

Scott -- a former Lakers player and coach himself -- spelled it out to us at LAX this week ... admitting he initially felt L.A. made a mistake in handing the reins to a guy with zero experience on the bench.

"I mean I got a lot of respect for him because of what he's been able to do in the league. But when you talk about coaches, everybody talked about they wanted to get an experienced coach," Scott said. "He has no experience."

Kanye West's starting a family band ... bringing out his entire brood to perform with him in China in front of a packed stadium.

The rapper brought out North, Saint, Chicago and even little Psalm to take the stage with him for the 'Vultures' listening party at the Wuyuan River Sports Stadium in Hainan.

Check out the clip ... Ye brings out all four of his kiddos -- and, the stadium goes absolutely nuts, screaming wildly for the whole Kardashian-West clan.

The doctors accused of fueling Matthew Perry's fatal addiction are not one-offs ... they are part of an elaborate, secret celebrity drug ring that is running rampant in Hollywood.

TMZ Studios has a new documentary -- "TMZ Investigates Matthew Perry and the Secret Celebrity Drug Ring" -- that airs Monday night at 9 PM ET on FOX and drops Tuesday on Hulu.

Celebrities such as Kelly Osbourne talk frankly about doctors who will gladly fill prescriptions of known addicts to get close to the stars and make lots of money in the process. "Jackass" star Brandon Novak talks about how he traded swag for drugs in doctors offices.