Rihanna and A$AP Rocky are introducing their youngest to high fashion ... but, he's not quite old enough to hit the club scene with his parents after.

The A-listers brought their boy Riot to Rocky's AWGE fashion show during Paris Fashion week in France ... posing and planting kisses on his cheeks in a a few sweet snaps taken at the event.

Check out the pic ... perfect for a family Christmas card with big smiles -- though Riot seems a pensive during the whole experience.

Tom Brady, Leo DiCaprio, Orlando Bloom and Sydney Sweeney are in the thick of party central at the Jeff Bezos and Lauren Sanchez wedding in Venice ... and it sounds like Tom's making a move.

We've learned the most hopping place in the Floating City is The Gritti Palace ... a landmark waterfront hotel where a collection of Jeff and Lauren's most famous friends are staying -- and it's the place to be for wedding guests looking to party.

Sources who are there tell us Tom, Leo, Orlando, Sydney, Jerry Seinfeld, Oprah, Charissa Thompson and the Kardashians are all staying at the Gritti ... and Sydney is the "center of attention" for single guys, including TB12.

While Oklahoma City's on-the-court game is unrivaled, its ability to celebrate sure needs work ... but Alex Caruso assured TMZ Sports this week "the next time" his Thunder squad is in position for some champagne showers, it won't have another letdown.

If you missed it, following OKC's Game 7 NBA Finals victory on Sunday night, the notably young Thunder couldn't quite figure out how to properly douse themselves in bubbly ... and needed a big-time assist from 31-year-old Caruso to even open the bottles.

The OKC guard acknowledged to us on Thursday, "it was not a great showing" -- but he was sure it won't happen again.

Orlando Bloom is psyched to let loose at the Bezos/Sanchez wedding, and all indications are ... he's now a single man.

Sources in the know tell TMZ ... Orlando may make his debut as a single man during the festivities. As one source put it, "He's the life of the party and he's gonna hit the dance floor hard!"

We're told Orlando might even sneak away with Leo DiCaprio for some bar crawling!

Jeff Bezos and Lauren Sanchez have range -- they and their guests will move from PJs to Gatsby-esque fashion during the 3 day festivities.

Sources with direct knowledge tell TMZ ... one of the theme nights will be a swanky cocktail party where guests will dress like F. Scott Fitzgerald's famed character.

We're told lots of the guests have had designers turn the imaginary outfits into real life.

Venice might sink from all the luggage guests are bringing to the wedding of Jeff Bezos and Lauren Sanchez ... because they've got to pack everything under the sun for a bunch of hoity-toity theme parties ... so forget about carry-ons!!

Sources tell TMZ ... Jeff and Lauren's wedding itinerary features 3 theme parties, including a pajama-themed bash, so guests will need clothes, outfits and accessories for a wide range of events. No light traveling here.

The wedding will likely have a rehearsal dinner, reception and some cocktail parties ... so guests will have a ton of other crap to pack ... and we haven't even gotten to the actual nuptials. At least the weekend foam party required little more than swimwear.

The Florida Panthers are gonna need sunglasses and Advil on Friday ... 'cause they partied their asses off to celebrate winning the Stanley Cup -- with a night out in Miami filled with fine dining and drinking!!

TMZ Sports has obtained footage of the whole victory tour ... which started off with a feast at new hot spot Maple & Ash, where the jocks chowed down on all the oysters, dry-aged meatballs, bluefin tuna tartare, bone-in ribeye, Mediterranean branzino and lobster spaghetti they could stomach.

Of course, the dudes in attendance -- Aleksander Barkov, Matthew Tkachuk, Sam Reinhart, Sam Bennett, Aaron Ekblad, Niko Mikkola, Nate Schmidt, Carter Verhaeghe, Anton Lundellm and Sergei Bobrovsky to name a few -- were also offered plenty of wine and champagne to wash it down -- even taking swigs from the Cup.

Deshaun Watson's Achilles injury will keep him away from the gridiron this year, but it clearly ain't sidelining him from turning up ... as he was the center of an epic bachelor party in Florida over the weekend.

Watson grabbed a few of his closest pals and hit Miami to celebrate his upcoming nuptials with Jilly Anais ... and the bash featured all kinds of fun.

First, Watson and Co. appeared to rent some luxury sports cars that they zoomed around the city in.

Grab your bestie(s) and come run it with Hollywood's famous BFFs who slay on and off the red carpet ... It's National Best Friends Day and we've got the the best of the best, the baddest of the baddest, who aren't just here to stay; they're here to slay!

Dynamic duos like Oprah Winfrey and Gayle King are globe-trottin' gal pals, Andy Cohen and Anderson Cooper are far from TV host rivals ... they're bad n' boozy together, and Kylie Jenner and Stassie Karanikolaou are thick as thieves in their crop tops!

Sex parties and X-rated pranks -- not exactly kidnapping and torture, but new bombshell videos and photos reveal that kind of wild, bacchanalian atmosphere during the bizarre crypto kidnapping case that's landed John Woeltz and William Duplessie in jail.

TMZ obtained this footage showing their alleged victim -- Italian businessman Michael Valentino Teofrasto Carturan -- hanging out, grinning and frequently shirtless, with other partygoers inside the Manhattan townhouse Duplessie and Woeltz were renting.

The "Crypto King of Kentucky" suspected of torturing a man for weeks inside a swanky multimillion-dollar New York City townhouse spent big at a super exclusive erotic night club ... TMZ has learned.

Sources with direct knowledge tell us John Woeltz and his alleged accomplice William Duplessie started going to a club called The Box back in February, and there were nights where they would drop between $80,000 and $100,000 ... and we have photos and videos of them in the club.

The Box bills itself as a unique and exclusive club featuring nightly shows combining music, theater, burlesque and erotica ... and there's supposedly a sexy peep show.

The "Crypto King of Kentucky" suspected of torturing a man for weeks inside a lavish multimillion-dollar townhouse hosted extravagant parties there ... and it seems he didn't raise any red flags when landing the swanky SoHo rental, TMZ has learned.

Here's the deal ... John Woeltz and William Duplessie are currently in custody for allegedly torturing Michael Valentino Teofrasto Carturan to get access to his crypto fortune ... until the Italian citizen finally made his escape and told police everything.

Multiple sources with knowledge tell TMZ … Woeltz started living in the Manhattan townhouse on March 17 … with a rent amount of $75K - $90K a month.

Kylie Jenner pulled out all the stops to celebrate the launch of her KHY x Dilara Findikoglu clothing collab with a star-studded party to kick things off.

The celeb-packed shindig for Kylie's brand, KHY, went down at The Bird Streets Club in West Hollywood on Saturday night. The exclusive event inside the members only club drew a powerful guest list including, Kendall Jenner, Khloe Kardashian, Hailey Bieber, Kris Jenner and NBA legend LeBron James.

Other attendees included Lori Harvey, Amelia Gray Hamlin, influencer Yris Palmer, "The Bachelor" star Gabby Windey, and former "Real Housewives of Miami" star Joanna Krupa who celebrated the billionaire's latest fashion line drop, which features a mix of wardrobe staples, basics, and investment pieces.

With KHY x Dilara Findikoglu launching May 28, KJ adds yet another notch to her ever-growing business empire.

Rihanna and A$AP Rocky brought major party energy to Cannes last week and TMZ has new video showing the mom and dad duo celebrating in style behind the DJ booth at a party.

The couple lit up the Rayban party on Monday night with their signature styles. The mom to be looked incredible in a form-fitting blue dress paired with dark sunglasses. A$AP matched the vibe in a sleek black suit and shades.

The couple was in their element as they vibed to the music, laughing and having fun with friends. At one point, Rocky was spotted drinking straight from a champagne bottle.

Livvy Dunne, Salma Hayek and a sea of models flocked to New York City on Thursday night to celebrate the launch of Sports Illustrated's latest swim issue ... and check out pics from the party they all attended, the ladies looked gooooooood!!!!

The bash went down at Hard Rock Hotel New York ... and in addition to Dunne and Hayek -- who showed off their amazing bods in a lime green dress and a lacy-black getup, respectively -- A-listers could be spotted all over the building.

Alix Earle turned heads in a plunging, vintage Tom Ford Gucci dress. Suni Lee looked red hot in a scarlet Jacquemus gown. And Xandra Pohl and Jordan Chiles put a whole lot of skin on display at the shindig.