Leonardo DiCaprio Bump, Set, Spike ... With Ansel Elgort

Leonardo DiCaprio is a beast on the beach volleyball court ... and so is Ansel Elgort, judging by the game they had Sunday in Malibu.

The two actors squared off in an intense match at the beach ... intense enough that Ansel not only played shirtless, but had to cool off afterward in the water.

No word what brought 'em together -- Ansel's nearly 20 years younger than Leo, so they're not exactly peers, and they're not costarring in anything at the moment. Leo's currently filming Quentin Tarantino's "Once Upon A Time In Hollywood" ... about the Charles Manson massacres in L.A.

Looks like this is his new thing -- Leo's been brushing up on his v-ball skills all summer.

Gronk's GF Camille Kostek Thong'd Out In SI Bikini Fashion Show

Camille Kostek is becoming a bikini force to be reckoned with ... Rob Gronkowski's GF hit the runway at Miami Swim Week in a super small bikini -- and the pics are awesome!!

Kostek and Haley Kalil were 2018 Sports Illustrated Swimsuit Edition rookies -- and they hit Swim Week to coach the next batch of bikini models during the Sunday night show at the W South Beach.

Tons of women showed up for the casting call -- but show producers only selected 16 girls to walk the runway ... and, judging by the pics, they chose well.

As for Kostek, she was also hanging behind the scenes with Olivia Culpo -- who's dating Danny Amendola ... Gronk's former New England Patriots teammate.

Enough reading ... starting clicking.

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BACKSTAGE ACTION

Ella Rose I'm Rooting For Green!

Ella Rose is about to overheat ... her phone that is, if she doesn't put it away.

Julian Edelman's baby mama hit the beach in Santa Monica during L.A.'s heatwave. Don't worry ... she managed to cool off in the Pacific sans her phone.

With her choice in bikini color, you'd think Ella would be rooting more for the Seahawks or Packers instead of the New England Patriots, where Edelman plays wide receiver ... but, it's hard to think football at all when Ella hits the sand.

France Vs. Croatia Smokin' Hot WAGS ... Of The World Cup Final

Make like some of the world's best soccer players and dive into these photos of some of the hottest wives and girlfriends of the World Cup Final!

France and Croatia will square off for soccer's highest honor ... and there will be plenty of "keepers" to look at on both sidelines.

In France's corner ... Pamela Anderson headlines the group of WAGS -- but, you gotta see who Samuel Umtiti and Paul Pogba are scoring with off the pitch.

For Croatia ... Mateo Kovačić and Ivan Rakitić have netted some serious talent too.

Sooo ... while an entire country might hate these guys if they blow it on the biggest stage -- just know they're still winnin' when they get home!!

Iggy Azalea Showin' Mo Bounce!! In Concert Rehearsal

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MASTER OF TWERK

Iggy Azalea isn't just serving up her own ample ass ... this time, she's got a whole gang o' asses with her -- strictly for biz, of course.

Yes, here's Iggy's day at the office, rehearsing some moves for her song, "Kream" ... we're assuming for live performances. ZERO pretense here -- just a whole bunch of butts shaking, popping and clapping.

If you've seen the "Kream" music vid, the dance moves here aren't exactly a surprise, but they'll likely inspire you to grab some Iggy concert tix!

The only downside here is for Iggy's dancers. It's not like they can tell friends and family to check out their latest work. The camera angle reveals NO faces.

Still, impressive work ... even if ya can't ID 'em.

Taylor Swift My Squad's a Fan Of Snakes ... Just Ask Gigi

Taylor Swift's squad is still going strong -- she reunited with several members Friday in NYC, including Gigi Hadid, who is repping her homegirl's newly adopted snake theme.

Gigi and Taylor haven't been seen together in a while. In fact, Taylor didn't host her annual 4th of July bash this year, so many fans thought that the Swift Squad might be done for good.

You can breathe again, Swifties ... not only were the pals leaving Swift's Tribeca apartment Friday morning, but so were the Haim sisters along with model Martha Hunt.

Taylor's Reputation Stadium tour stops in Philly Friday night -- where she'll have plenty of snakes onstage. Looks like some of her girls will be rocking 'em in the crowd too.

Caroline Wozniacki Screw Wimbledon ... I'm On a Boat!

Caroline Wozniacki seems devastated after losing at Wimbledon, doesn't she?!

Just days after the tennis superstar got bounced from the tourney, she and her NBA fiance, David Lee, jetted over to Capri, Italy ... where they're yachting, relaxing and taking bikini pics.

Yeah, she's clearly heartbroken.

Also, Wednesday is Caroline's 28th birthday -- and, judging from her vacation pics, she seems WAY happier being in sunny Capri than cloudy England.

Plus, this way, Caro gets to show off her insane physique -- which she did in the 2016 and 2017 Sports Illustrated Swimsuit Edition (awesome, btw).

As for the whole Wimbledon thing, Wozniacki lost in the 2nd round to Russian star Ekaterina Makarova ... after a swarm of flying ants invaded the court.

No flying ants in Capri ... just sayin'.

Sly Stallone's Wife & Daughter Mommy et Moi Day in France ... Tiny Bikinis Edition!!!

Jennifer Flavin and her 20-year-old daughter, Sistine, are a lethal combination ... especially in bikinis.

Sly Stallone's wife and his middle daughter slipped into bikinis aboard a fancy yacht sailing off the South of France. This family affair wasn't just about soaking up the sun and enjoying the views. There was also important business, like ... selfies!

It would be pretty easy to mistake Mom for one of Sistine's 2 sisters ... who are also on the trip, btw.

Enjoy the gallery, but before ya fantasize too much, remember ... 72-year-old Sly can still kick your ass.

Olivia Culpo Bikini Photo Shoot ... In 115 Degrees!!!

Don't think bikini models are tough? Try striking poses all day long in a 115 degree desert ... like Olivia Culpo!!!

The former Miss Universe set up shop in Palm Springs on Sunday for a photo shoot with Vital Proteins ... where she had to pretend she wasn't bothered by the scorching heat!!

Don't worry, Olivia had umbrella holders and people with water bottles waiting on the set to spray her down any time she overheated.

The good news? She pulled it off ... the photos are straight fire!!!

It's the first time we've seen Olivia back in the U.S. since her vacation with boyfriend Danny Amendola.

Seems he didn't make the trip to Cali -- he's battling the heat in Texas instead.

Mayra Veronica Hot And In A Sticky Situation

The 4th of July might be over, but Mayra Veronica is not ready to ditch the stars and stripes, although she might want to change her top.

As several parts of 'Merica undergo a heat wave, Mayra found a way to cool off after a bike ride on the Santa Monica Pier in SoCal, where temperatures over the weekend are predicted to reach triple digits.

Mayra got a little messy with her ice cream, but she still did the American flag justice, especially when she biked away. Popsicles ... not the only thing poppin' this summer.

'WAGS' Star Nicole Williams Wet Hot American Summer

Nicole Williams' idea of patriotic is a star-spangled bandana and a white bikini to match the giant waves that splashed against her awesome butt as she frolicked in the surf.

Williams hit the sand and water in Santa Monica in her own creation. She owns the bathing suit line Nia Lynn and, with a bod and legs like hers, she doesn't need models to show off her collection.

Nicole -- who is married to former football player Larry English -- is about 5'9" and, from the looks of it, she was fighting off at least 3-foot waves with no sweat.

Samantha Hoopes Loves Saquon's Naked Pics ... You Gotta Be a Model!!

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HE'S GOT WHAT IT TAKES
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Game respects game ... 'cause Sports Illustrated smokeshow Samantha Hoopes says Saquon Barkley's naked pics are so good, he OWES IT TO THE WORLD to keep modeling!!!

You gotta watch the video ... Samantha's reaction to Saquon's nude pics in ESPN's Body Issue is real, and she's legit impressed!!!

"I do think that you're kind of limiting yourself with a body like that if you don't model," Hoopes says about the 21-year-old NY Giants running back.

"You know, 'cause we all work out to look like that and so if you've already got it, you might as well flaunt it. Right?!"

Samantha knows a little something about the modeling game ... she's posed for Guess, Levi's and has become a fan favorite in the Sports Illustrated Swimsuit Edition.

There's more ... the 27-year-old blonde also weighs in on Gisele's recent comments about it being tougher for models to make it big these days thanks to social media.

Hoopes explains why she believes Gisele has a solid point.

American Flag Suits Guess Who!

It's that time of year where we celebrate not only America the great ... but the beautiful as well!

Salute the stars that have stripped down to show their 4th of July spirit by guessing the sexy firecracker in the flag photos!

Let freedom string.

Paulina Gretzky 4th of July Bikini Party ... All Fireworks

Paulina Gretzky is winning ... again.

The 29-year-old is in the Bahamas with her golf star husband, Dustin Johnson ... but, all eyes are on her.

Wayne Gretzky's smokin' hot daughter is busting out of the tiny bikinis and showing off her physique ... and good lord.

Happy 4th, everyone!

Gigi Hadid & Emily Ratajkowski Together in Greece ... That's Already a Yacht of Hotties

Gigi Hadid and Emily Ratajkowski certainly pack a punch while on vacation -- ya know, the old one, two ... as in one and two-piece bathing suits. Whew!

The two models were spotted among a bunch of other babes soaking up some sun on a yacht Sunday near Mykonos Island, Greece. Emily appeared a bit less shy at the front of the boat with her poses. Booty and middle finger out, her 2-piece on full display ... well done.

Gigi, meanwhile, was changing in the back -- slightly shaded, but still smokin'.

Unclear who offers the better view here ... it's all Greek to us.