Sylvester Stallone The Summer of Sly Next Stop, Cabo!!!

Sylvester Stallone and his beautiful family were soaking up the sun in Baja California ... hitting another vacation hot spot during the Summer of Sly.

Sly and his daughter, Sistine, kicked off their Mexican beach vacay with a dip in the hot tub and some sunbathing in Cabo San Lucas. That's 20-year-old Sistine in the white bikini. As they say south of the border -- que linda!

The Stallones have been stamping their passports this summer ... looking hot on a yacht in the French Riviera.

Gracias for the hot pics, Stallone clan.

Kylie Jenner My Insane 21st Birthday!!! The Gang's All Here

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THE KHAOTIC SCENE
TMZ.com

Kylie Jenner can legally drink -- and she's a billionaire -- which are 2 good reasons why there were 2 insane parties Thursday night that not only brought out the Kardashian brood in full force, but reunited Scott with Kourtney and Caitlyn with Kris ... at least for one night.

You gotta see the video. Hoards of photogs pounced on Craig's in WeHo Thursday night, as Kris, Kim, Kanye, Kendall, Kourtney, Scott and Khloe made their way in.

Caitlyn, who has been estranged from most of her former fam, made a rare appearance ... partly because she still has a relationship with Kylie.

It was more than a family birthday celebration ... Dave Chappelle, Chandler Parsons, Kevin Durant, Paloma Ford, Meek Mill, Chris Brown and French Montana were on hand for the bash. Bella Hadid and The Weeknd were also there together.

Inside Kylie's Crazy Birthday Rager
THE KRAZY RAGER
TMZ.com/Instagram

It didn't end at Craig's. The party moved to Delilah, where everyone cut loose. Chappelle grabbed a mic and sang, "Killing Me Softly."

BTW ... Tristan Thompson was nowhere in sight. He was in Toronto at an epilepsy fundraiser to support research.

Tekashi69 Soccer Showdown with Hot IG Model ... Takes 'L'

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OOF

Remember when Tekashi69 said Cristiano Ronaldo couldn't score on him??

Well, he didn't say anything about ridiculously hot Instagram models.

The "FEFE" rapper got into a shootout with Brittany Renner -- aka bundleofbrittany -- a former college soccer star who has racked up more than 4 MILLION followers on IG.

The two made a soccer bet -- if he could stop all of her shots, Brit would have to move to NYC. And, if she scored on him ... he's gotta pack up and move to L.A.

Tekashi made a valiant effort -- but the former Jackson State striker just killed him ... even hitting a sick upper 90.

Call the movers?

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SOCCER BUNS

6ix9ine has boasted A LOT about his soccer skills -- and even hit the pitch with international soccer superstar Mario Balotelli. He is definitely not the worst goalie we have ever seen, but he ain't exactly David de Gea either.

We'll give Tekashi the benefit of the doubt -- maybe he was a bit distracted.

Iggy Azalea Surviving the Summer With This Hot Body!

Iggy Azalea is probably the most effective human billboard we've ever seen -- 'cause we honestly don't know what she's advertising here other than her body. Oh, wait ... we get it.

The Australian MC posted a few shots of herself modeling a swimwear line called BODY! by designer Raven Tracy. The name is certainly appropriate, especially when you've got someone like Iggy showing off the goods.

It's good timing too, considering Iggy's supposedly got a new EP dropping in just a few days called "Survive the Summer." It's been a while since we've heard a new project from her -- meanwhile, it feels like we've been seeing her fantastic ass more and more.

Iggy Azalea Big Booty Twerk Out in See-Thru Pants
MO BOUNCE

She recently uploaded an amazing twerk off vid ... not that there was really competition for her, besides her own two cheeks. They won, FYI.

Whatever floats your boat, Igg. We're enjoying your work.

Halsey Hosts Playboy's Midsummer Night's Dream Bash

Halsey hosted Playboy's Midsummer Night's Dream party Saturday night in Vegas ... and she did not disappoint.

The bash went down at the Marquee Nightclub inside the Cosmopolitan on the Strip. She was joined by bunnies ... not sure if they're real Playboy bunnies or faux, but it truly doesn't matter.

The event used to be held at the Playboy Mansion in L.A. ... this one's a spin-off.

The suggested attire for the evening ... lingerie and sleepwear, of course.

Hef may be gone, but Halsey is making damn sure ... his memory will live on.

Angela Garten Nails Purr-fect Beach Poses

Yoga fans will tell ya ... Angela Garten's got game when it comes to great stretches -- and fans of smoking hot chicks will fully agree.

Angela, who's signed with Elite Model Management, struck a perfect cat pose on Santa Monica beach -- and she did it safely too. It's always important to apply some product -- click through the gallery and you'll see what we mean.

She recently walked the runway for the Frankies Bikinis fashion show alongside Kara Del Toro and Josie Canseco ... so, yeah ... she's a pro.

Meoooow.

Jenna Dewan Naked & Not Afraid Of Her New Single Life

Jenna Dewan's got a bad (or REALLY good) case of post-breakup hotness -- and she's putting it ALL out there.

Jenna went au naturel for the September issue of Women's Health, and yes ... she addresses her split from Channing Tatum and other personal issues, but who are they kidding? The pics are selling these magazines.

Okay, a little about the breakup -- Jenna says, "It’s okay for a relationship to change into a new form that is actually better for both people involved, and I think maybe that’s what shocked everyone so much – that it can be a positive thing."

Now, back to the nudity! She thinks it's no big deal because, "I’ve been a dancer my entire life, so I’m used to little clothing.”

Thank God for dancing.

Lady Gaga Naked or Covered Up ... I'm a Perfect Illusion

Lady Gaga went from sexy beach photo shoot to a wet dress contest in the blink of a wave -- and she didn't have much on underneath.

Gaga had several wardrobe changes in the sand Wednesday in the 'Bu -- going from French dominatrix to sea nymph ... with her ass on full display much of the time.

Not to worry ... when the waves crashed, Gaga had several people waiting on her hand and foot. To the photog who also got dunked, we say ... thongs for the perfect shots!

Genie Bouchard Bikini Butt Shakin' After Swiss Open Injury

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TEENY WEENY GENIE BIKINI

Genie Bouchard injured her groin last weekend ... but she clearly didn't hurt her butt -- 'cause the tennis star was shakin' it all over the place in Morocco on Wednesday!!

The 24-year-old cruised over to Africa after an injury cut her run in the Swiss Open short ... and she looked no worse for wear gettin' some rehab work in by her luxury hotel's pool.

In a barely-there neon green and hot pink bikini ... Genie made sure to get a couple sets of champagne sippin' and booty poppin' to get right.

Yeah ... we think she'll make a full recovery.

BTW -- Genie's getting pretty good at this whole bikini thing ... she slayed the SI Swimsuit shoot this year.

Eat your heart out, Super Bowl bet guy.

Gary Payton 50th Birthday Booty Bash

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LETTING LOOSE
TMZSports.com

Gary Payton spent his 50th birthday smackin' a whole lotta butt -- and TMZ Sports has the video.

The NBA Hall of Famer celebrated his half-centennial at a raging nightclub in Vegas -- surrounded by a bunch of hot chicks in thongs and pasties.

They grinded on Gary. He danced and threw money. At one point, he handed out some spankings. Good times had by all.

Oh, yeah ... there was cake too, along with the cakes. But, let's be honest, no one gave a crap about that.

Happy birthday, Glove!

Kevin Durant & Kyrie Irving Vegas Turn Up With Chantel Jeffries ... And Other Gorgeous Women

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DAY RAGING
SplashNews.com

Here's Kevin Durant & Kyrie Irving showing that, while they play for different NBA teams, they're on the same squad when it comes to one thing ... HOT CHICKS.

Durant & Irving hit up Wet Republic in Vegas this past weekend, where Irving's girlfriend, Chantel Jeffries, was DJ'ing her first set at the legendary pool party.

KD was making the most of the occasion ... taking shots, and spending a lot of time talking and seeming to have fun with model Jocelyn Chew.

If you remember, Chew popped out of a cake at Joel Embiid's 24th bday back in March ... making some people think maybe the two were an item ... although it was never confirmed.

Hey ... it's Vegas ... you know what they say.

YesJulz Smokin' ... In More Ways Than 1

Suns out, buns out ... never has that been truer then when Snapchat queen-turned singer YesJulz hit the sand in a thong bikini.

Julz, who runs the music label 1 AM Entertainment, lit one up during a relaxing day at Escondido Beach in Malibu ... alongside pal and "The Last Ship" actress Jodie Turner-Smith.

Julz wasn't the only one getting high ... so was the tide, which nearly took her down. Don't worry ... Jodie was there to pull her up.

BTW ... you can't light up in public at the beach, but who's gonna bust her anyway?

P.O.V. Bikini Selfies Guess Who!

These sexy stars have reinvented the traditional selfie and given us a view all their own!

Sneak a peek of the sizzlin’ summer pics by sliding into our gallery of P.O.V. bikini selfies, and see if you can guess the babe showing off her rockin’ bod!

It's all about angles!

Jimmy Garoppolo Takes Huge Porn Star ... On Bev Hills Date

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PLAYING THE FIELD
TMZSports.com

49ers QB Jimmy Garoppolo definitely appreciates a woman with experience ... because he went on a dinner date Wednesday night -- with one of the biggest porn stars in the world!!!

26-year-old Jimmy G and Kiara Mia hit up Avra restaurant in Beverly Hills ... where they walked in arm-in-arm and toasted with wine together at the dinner table.

At the end of the date, the two walked to a waiting car together -- Jimmy had a big smile on his face ... and Kiara's IG account might explain why.

You might be familiar with Kiara's work -- she starred in a "Keeping Up with the Kardashians" porn spoof back in 2015.

She's also graced the covers of classics like "Cougars Gone Wild 2" and "Bra Busters 4."

She's also been nominated for a bunch of AVN awards over the years -- including MILF Performer of the Year in 2015.

Drake Leads Parade of Smokin' Hot Chicks

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SURROUNDED BY KEKES
TMZ.com

Drake's all up in his feelings, alright ... feeling like a MILLION BUCK$ with a bunch of baddies following him around town.

We got the "In My Feelings" rapper arriving at Delilah in WeHo Wednesday night ... and, unlike the rude encounter he had just the other day with an Uber driving calling him and his driver a "f***ing idiot," this arrival had freaking hot written all over it.

To use our man LeBron's words ... "not 1, not 2, not 3, not 4, not 5, not 6!!!" That's right ... Drake brought 7 hotties with him to party.

So polite of Drake ... to not arrive empty-handed.