Taylor Swift In My Best Buds Era ... Out w/ Brittany, Others at 'Eras' Tour Party

Taylor Swift and her pals know style ... dressing up in honor of the pop star at an "Eras" tour-themed party -- with Brittany and Patrick Mahomes paying homage to a viral moment.

Mrs. Mahomes posted several photos from the party to her Instagram just about an hour ago ... showing off her silver outfit covered in fringe -- clearly an interpretation of T-Swift's own outfits on tour.

Brittany had Patrick dressed up too ... black tux with a white undershirt and bow tie -- complete with a black top hat hanging off his thick curls.

Luigi Mangione Smashes Open Beer on Head, Chugs It ... 'Life of the Party' in College Video

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LIFE OF THE PARTY
TMZ.com

Luigi Mangione, the suspected killer in the Brian Thompson murder case, was unafraid to let loose and have a good time during his college years ... going wild in a video from his time at the University of Pennsylvania.

In the video obtained by TMZ ... Luigi is seen repeatedly smashing a beer on his forehead before chugging down the alcoholic beverage. Several partygoers hype up Luigi during the party trick ... as he's filmed gulping down the beer.

A source tells TMZ ... the wild scene took place at a massive St. Patrick's Day party -- which explains the number of green shirts in the footage -- at the Ivy League school in 2019.

Juan Soto Doused In Booze After $765 Mil. Deal

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CONTRACT CELEBRATION

How does one celebrate becoming the richest player in baseball?? For Juan Soto, he soaked in the milestone by getting a beer shower!!

Soto's younger brother and member of the Nationals organization, Elian, showed off the $765 million party on his Instagram story ... with the new New York Met chilling in a hot tub as booze was poured all over his head.

While the star hitter is excited about his new $50 million annual salary, Mets fans are just as pumped for him to switch boroughs -- shortly after the news broke, Cleveland Cavaliers guard Donovan Mitchell posted himself on a FaceTime call with Soto -- with both giving wide grins.

Francesca Eastwood Celebrates Hard ... Then Hits the Ground Harder!!! After Criminal Case Dropped

Francesca Eastwood just dodged a felony domestic violence charge ... and it looks like she’s celebrating a little too hard, judging by these pics from her wild night out.

Clint Eastwood’s daughter was living her best life, stumbling out of West Hollywood’s Chateau Marmont on Tuesday, when she took a chaotic tumble to the ground.

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WOBBLY EVENING
BACKGRID

The pics will definitely give you a laugh -- it's clear she partied a little too hard 'cause it wasn't even like she was rocking heels to throw off her balance. Nope, she was in comfy sneakers and still went down!

George Russell Parties W/ Swedish House Mafia After Vegas G.P. Win

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after-party

F1 star George Russell partied like a champion Saturday night ... hitting the strip and hanging with the Swedish House Mafia after winning the Las Vegas Grand Prix!!

The Mercedes driver held off the competition after starting in pole position ... finishing the 50-lap race more than seven seconds ahead of second-place finisher and teammate Lewis Hamilton.

The 26-year-old was in the mood to commemorate the victory with some good tunes ... so he hit up the Sports Illustrated Circuit Series Party at XS Nightclub inside the Wynn Las Vegas after the victory ... bringing his girlfriend, Carmen Montero Mundt, along for the festivities.

Sabrina Carpenter Selena Gomez and BF Benny Blanco .... Low-Key at L.A. Show!!!

Sabrina Carpenter's celeb squad kept the star power rolling in L.A. -- night 3 of her "Short n' Sweet" tour stop at the Kia Forum in Inglewood, California brought out none other than Selena Gomez and her BF Benny Blanco.

Peep these pics of Selena rolling up Sunday -- rocking a head-to-toe pink rabbit onesie with floppy ears for max cozy vibes, while Benny sported a pastel pink tie-dye hoodie to match the laid-back energy.

Selena and Benny ditched the PDA for the night, with the actress arriving alongside her little sis Gracie and some pals, calling it one of her favorite nights in an IG Stories shout-out.

Jake Paul Check Out My Big Victory Bash ... After Clobbering Mike Tyson

Jake Paul celebrated his big win against Mike Tyson in a major way ... throwing a fun-filled after party with his brother, Logan, and other familiar faces -- and we have footage from the wild festivities.

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AT THE AFTER PARTY
Instagram/ @betr

The influencer turned professional boxer, who handily beat Tyson in their much-hyped Friday night bout on Netflix, gathered with friends and family at the soiree thrown by his sports betting company, Betr, at a private house in Dallas, Texas.

In addition to Logan and his fiancé Nina Agdal, Jake's girlfriend Jutta Leerdam topped the guest list along with rapper 1900 Rugrat, boxer Derek Sullivan, deejay E-V and "Hawk Tuah Girl" Haliey Welch.

Jake Paul Ready to Boogie After Big Win ... Arrives to Fight After-Party

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The King Has Arrived

Jake Paul's ready to cut loose after his big win over Mike Tyson ... pulling up to an after-party his company, Betr, is throwing in Dallas.

The influencer turned boxing superstar arrived at the party -- hosted by Jake with the help of the sportsbetting company he cofounded back in 2022 -- looking suave in a blue and white shirt with vibrant multicolored shorts.

Jake was joined by his GF, Olympian Jutta Leerdam -- pulling off a sporty chic ensemble made up of a black sports bra and matching leggings -- and his dog pal Thor.

Kevin Costner Life Of The Party ... After 'Yellowstone' Death

Kevin Costner is living it up despite his character's suicide in "Yellowstone" ... partying and hobnobbing in New York City.

The "Yellowstone" star seemed full of life Monday at a shindig in the Big Apple ... smiling and laughing with other party guests, including track and field athlete Rainy Castaneda.

Kevin looked sharp with some thick black glasses and a goatee ... and everyone appeared to be having a great time.

Jason Kelce All Smiles In L.A. ... Parties With Eagles Fans During Dallas Romp

Jason Kelce's trip to Los Angeles is going a helluva lot better than his most recent one to Happy Valley ... he was spotted out in the City of Angels on Sunday celebrating the Eagles' win -- and didn't appear to have one single issue with fans.

The former Philadelphia offensive lineman was seen at a couple watering holes on the westside of L.A. ... helping bartenders pass out drinks while also cheering on his ex-team as it blasted the Cowboys in Dallas.

Throughout the afternoon, he interacted with several people ... and every encounter appeared to be nothing but pleasant.

Camila Cabello Tumbles Outside Halloween Party ... Stays Mum on Mendes

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TAKING A TUMBLE
TMZ.com

Camila Cabello's night nearly took a turn when she and her friend both hit the ground hard outside of the Chateau Marmont Halloween party ... though, thankfully there was no gory horror movie injury to worry about.

We caught up with the singer-songwriter outside the glitzy Chateau Marmont Halloween party in L.A. Thursday night ... and, before we could even ask a question, her friend took a pretty nasty spill on the pavement.

Check out the clip ... CC's friend falls over and the pop star can't help but start to laugh before she goes over to pick her buddy up -- only to hit the ground as well.

Diddy's Sons We're Ready to Fight, Ray J!!! Chris Brown Swoops in to Stop It

Diddy's sons were about ready to get into an all-out fistfight with Ray J at a recent Halloween party ... but put their plans on pause thanks to an unexpected hero.

Sources tell TMZ ... the rap mogul's 3 sons, Christian, Quincy, and Justin, got into a heated face-off with Ray J outside influencer Tara Electra's Unruly Agency Halloween bash in Los Angeles over the weekend.

We're told that when the party wrapped in the early hours, Ray J made his way to the parking lot along with his crew, Amber Rose, and manager David Weintraub ... but was confronted by Diddy's 3 sons.

Josh Allen, Hailee Steinfeld Couple Hosts Epic Halloween Bash ... For The Buffalo Bills!!!

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BILLS BALL OUT

Here's further proof Josh Allen and Hailee Steinfeld's relationship is pretty serious ... the two threw on a couples' costume and hosted a huge Halloween bash for all of Allen's Buffalo Bills teammates.

The party went down on Monday night -- and it was officially dubbed "Josh & Hailee's Circus Showdown 2024."

Allen wore a ringleader red coat and black top hot for the occasion, while Steinfeld wore a similar -- yet far sexier! -- get-up.

Snoop Dogg Park It Like It's Hot ... Crashes Random Party Bus!!!

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PARTY CRASHIN'

Snoop Dogg's still living a young, wild and free life ... getting down on a party bus -- one he wasn't invited to board in the first place.

The rapper posted a video on X Saturday night ... saying he just crashed a random party bus -- and he hopes they all enjoyed spending about a minute with him before they continued on their merry way.

Check out the clip ... no context here, but Snoop seems to just appear on the vehicle -- totally shocking the partygoers aboard the bus.

Khloe Kardashian Pumpkin Party ... Go Big Or Gourd Home!!!

Khloe Kardashian turned her Calabasas home into a Halloween pumpkin palace for the annual cousins' pumpkin party -- totally decking out her digs! Khloe brought the spooky vibes and flooded her home with big ole' balloons, goodies n' treats and pumpkins out the wazoo!!!

Of course, Kris Jenner (aka "Lovey") was in attendance -- seen showing off her sexy Snow White costume ... and Khloe's besties, Natalie Halcro and Olivia Pierson, joined in on the festivities and rocked some cat ears.

Khloe snapped a sweet selfie with her kiddos, True and Tatum, all sporting cozy skeleton onesies.

Check out our gallery and see what's goin down' in Kardashian-Halloween world!

Shohei Ohtani Sho-wers Dodgers In Booze ... In Epic NLCS Celebration

It was a bad night to be a bottle of booze in the Dodgers' clubhouse Sunday -- 'cause L.A. deleted more than a few to celebrate its huge NLCS victory ... with Shohei Ohtani leading the way!!

Check out how the MLB superstar and his teammates celebrated their Game 6 win over the New York Mets ... they took down container after container of alcohol in epic fashion.

Ohtani was seen spraying down his pals with multiple liters of champagne ... before several other Dodgers returned the favor, and poured Budweisers down his throat.