Party All The Time

French Montana's birthday shindig proved yet again to be a celebrity magnet ... drawing tons of them for his 33rd affair.

The rapper went all out -- with sponsorship help from Brother Love Diddy's CIROC French Vanilla -- for the festivities Thursday night at a Bev Hills mansion. A bunch of Montana's buddies rolled through -- DJ Khaled, The Weeknd, Lil Uzi Vert, Belly, OT Genasis, Cassie and producer Scott Storch among them.

'Love & Hip Hop' star Miss Nikki Baby dolled up for the occasion but wouldn't reveal Montana's gift. Storch's gift is literally music to Montana's ears. We're told Jermaine Dupri was also there and DJ Marshmello spinned the night.

No choppers this year ... but the bash did include a dance performance that was lit(erally).

O.J. Simpson was booted from the Cosmopolitan Hotel in Las Vegas Wednesday night after allegedly getting wasted and then being extremely unruly.

Simpson had been frequenting bars at the hotel since his release from prison. Hotel staff tells TMZ ... at around midnight last night, Simpson was drunk and became disruptive at the Clique bar. We're told Simpson was angry at hotel staff and glasses broke at the bar.

Check out the pic below of Simpson strolling through the hotel Wednesday night.

Here's Celine Dion singing "My Heart Will Go On" one more time, but this time it's got a sick beat that got Celine up and dancing like you've never seen before.

The beat is courtesy of Steve Aoki, who joined Celine onstage for a Las Vegas benefit show Tuesday night at Omnia Nightclub. The 2 Vegas legends teamed up for this awesome performance -- Celine singing her "Titanic" hit, and Steve tacking on a remix you really gotta see.

Somebody hand Celine some glow sticks!

Seriously though, it was all for a great cause. The event raised $1 million for the Las Vegas Victims' Fund ... and also featured Kaskade, Lil Jon, Tiesto and Zedd.

But none of them had CD's ummm ... unique dance moves.

Lamar Odom + nightclubs = danger ... so says John Salley.

Salley says it's simple math ... Odom struggles with substance abuse and the club scene is one of the WORST places for him to be.

Clearly, Salley isn't buying Odom's excuse that "dehydration" caused him to collapse at a Hollywood nightclub on Sunday morning.

So what should Lamar do? Get new friends that support a healthier lifestyle ... and STAY OUT OF THE DAMN NIGHTCLUBS!

Sean Combs, aka Brother Love -- and formerly known as Puff Daddy, Puffy, P. Diddy, Diddy, etc -- is making a splash in Mexico for his 48th birthday.

Diddy LOVE is celebrating with his gf, Cassie. They're staying at Joe Francis' house in Punta Mita, and while they're obviously having a great time ... gotta wonder what the hell Cassie is calling him.

Sean made a big splash over the weekend when he decided to go with his 417th name change. By any name ... he's clearly indulging in all riches can buy.

Chris Brown's cake was made of dough ... and a lot of it.

Brown threw a record release party for his new album, "Heartbreak On A Full Moon," on Halloween at Universal Studios and the centerpiece was an incredible recreation of the cover art made by Sweet Stacks Cakery. Price tag: $1,000.

Sweet Stacks owner Dejenia tells us Brown's crew reached out to her via direct message on Instagram 24 hours before the party and she spent the next 22 hours crafting it.

The finished product was entirely edible ... the bleeding heart was molded out of rice crispy treats and the rest of the cake was filled with chocolate and vanilla buttercream and crumbled Oreos.

Dejana says Brown gave her the final approval and threw in a bonus ... she got to kick it at the party, too! Guess you can have your cake and eat it, too.

Kendall Jenner celebrated her 22nd birthday Thursday night, surrounded by friends and family with notable exceptions ... sisters Khloe and Kylie.

Both sisters are pregnant, so it's understandable why they skipped out on dinner at Petite Taqueria in WeHo. Kylie especially has been keeping an unusually low profile.

There was still a strong showing ... Kim, Kanye, Kris, Kourtney and her bf Younes Bendjima, Hailey Baldwin and Caitlyn were all there.

The Houston Astros were THIRSTY after lockin' down their first World Series in franchise history -- so pitchers Ken Giles and James Hoyt used the Commissioner's Trophy as a beer luge to help the boys drink up!!

But the locker room celebration was just getting started ... clubhouse vet Brian McCann got in the middle of a dogpile for an epic booze shower -- with the 'Stros poppin' bottles of Limited Edition Championship Brut -- and he loved it.

Series MVP George Springer and third baseman Alex Bregman also got wet -- though Breg seemed a little pissed 'cause he didn't have his goggles on.

But don't get it twisted -- the guys were PUMPED. Also drunk. It was awesome.

Kim Kardashian, Paris Hilton and Kendall Jenner went classic for their 2017 Halloween garb ... and gotta say, BRAVO!!!

Kim paid homage to the late singer Selena with her famous purple suit while Paris went with an oldie-but-a-goodie bunny costume. And give it up for Kendall ... who nailed the punk rock attire with her own take on a Powerpuff Girl.

There was a little bit of everything on the West Coast -- from Storm Troopers to Bonnie & Clyde.

There was also West Hollywood's insane Carnaval bash, which drew hundreds of thousands in some of the most unique costumes ever. Enjoy!

The Weeknd doesn't seem to be experiencing any post-breakup blues ... in fact, it looks like he's having a damn good time being a single guy.

Abel was out Monday night in a Toronto nightclub at a launch party for 21 Savage, Offset and Metro Boomin's new album, "Without Warning" -- and he was openly smiling and grinding up on a mystery girl on the dance floor.

LeBron's a nightmare to opponents on the court ... but he was even more frightening at the Cavs Halloween party, 'cause the King's Pennywise costume is sure to keep you up at night.

The Cavs always go over-the-top for their annual team gathering ... and Monday night was no exception -- from Kyle Korver's Willy Wonka (complete with Oompa Loompas!!) to J.R. Smith and his wife, Jewel, going as the Coneheads.

But it was Tristan Thompson and Khloe Kardashian taking the best couples costume award for their Khal Drogo and Daenerys Targaryen outfits from "Game of Thrones."

Check it out ... the party was lit.

Brock Lesnar's WWE hype man, Paul Heyman, got Desiigner to jump on stage and do his thing for his son's bar mitzvah ... and it didn't cost him a dime.

Paul threw his son, Jacob, a party at the Glenn Island Harbor Club in NYC Saturday for the day he became a man. Desiigner -- who's Paul's pal and an invited guest -- decided to perform "Panda."

It was pure shock and awe ... especially when he brought Jake up with him to hype up the crowd.

Mazel!!!

This is pretty awesome ... if you're an Astros fan!

Bun B was ALL THE WAY TURNT after his Astros beat the Dodgers on Sunday night -- he found a news camera, grabbed the mic ... and WENT OFF ON LIVE TV!

The Houston rapper is a HUGE 'Stros fan -- he stayed at Minute Maid Park until the very last out (past midnight) ... and you can see from the live ABC 13 broadcast, the adrenaline was pumping hard.

Yeah, he messed up some scoring math (twice) but who cares?! This is raw emotion at its finest.

There's more ... during the game, Bun B was hangin' in a VIP suite with fellow Houston rapper Paul Wall and celeb jeweler Johnny Dang -- and captured the walk-off madness on video.

Game 6 is in L.A. on Tuesday ... wonder if they can keep this energy up???

Jay-Z and Beyonce don't mess around when it comes to Halloween, and this year was no different with them dressing up as one of rap's legendary couples for Kelly Rowland's Costume Couture Party.

Jay paid homage to fellow Brooklyn rapper Notorious B.I.G., while Beyonce dressed up as Lil' Kim. Kelly threw the party with Lenny S. and Ciroc Sunday night at new WeHo hot spot Poppy.

Usher, Tyler Perry, Jhene Aiko and Jermaine Dupri's costume game was also on point inside the bash. You gotta see who came in the Eddie Murphy red leather suit.

George Clooney and Rande Gerber may have pocketed a billion bucks when they sold Casamigos, but they're still involved in the traditions of the company -- namely, the always epic Casamigos Halloween party.

They threw a '70s-themed bash at Tower Records in WeHo, and tons of stars showed, including Kim Kardashian, David Spade, Courtney Love, Chuck Liddell, John Hamm, Russell Simmons, Seth McFarlane, Adam Levine, DeAndre Jordan, Steve Tisch, and on and on.

Migos' Offset got down on bended knee in front of some 19,000 people and proposed to girlfriend Cardi B Friday night at the Philly Powerhouse concert where they were both performers ... oh, and she said YES!

Just last week it seemed like the couple was on the brink of breaking up when Cardi posted she was "single" before backtracking and saying she "exaggerated a lil bit" on her social media.

The two have been together since the beginning of the year when they were spotted leaving a Super Bowl event together for the first time in February.

Watching the video you can tell Cardi B had no idea what was coming her way. #Mazel.