Summer

Ryan Seacrest is on again with his longtime girlfriend, Shayna Taylor ... and nothing says we've made up like a romantic getaway on the Italian high seas.

The "American Idol" host was seen enjoying the hell out of a megayacht he and Shayna were aboard Saturday while vacationing in Positano, Italy. They'd split up earlier this year after about three years together -- now, it looks like they're two peas in a pod again.

Shayna was spraying sunscreen on her boyfriend's backside, and Ryan was trying to help her reach the tough places by bending whatever way was necessary. That's amore!!!

The couple tanned, talked and eventually dove head first into the ocean -- kinda like how they're diving back into their relationship. After a dip off the Amalfi Coast, they got back on the boat ... only to get into yacht's mini pool. Why settle for just salt water, right?

It's a big year for Ryan -- not only has he reconciled with his gal, but he's also in talks with Disney at the moment for a massive new contract to continue hosting 'AI.'

What do you get a billionaire like Mark Cuban? A healthy snack, for starters.

The "Shark Tank" star and Dallas Mavericks owner hit up The Happiest Place on Earth Wednesday and took a break from milling around with the summertime masses to chow on some popcorn and down some bottled agua.

Mark was there with his wife, Tiffany, and their 3 kids -- Alexis, Alyssa and Jake. The Cuban fam was joined by some friends as they hit up the Indiana Jones Adventure and the all-new Star Wars: Galaxy's Edge.

Looks like the billionaire's in fully vacay mode. Just a couple of days ago, he went on a fishing trip with his son.

BTW ... the Cubans looove them some Mickey. They were also at Disneyland and California Adventure Park less than a month ago.

Megan Thee Stallion, Nicki Minaj and Ty Dolla $ign's "Hot Girl Summer" got chilled down by LAPD who nearly torpedoed their music video -- but there's a happy ending. Ya like those, right?

Sources close to the situation tell TMZ, cops crashed Meg's attempt to shoot her video for 'HGS' last Friday, in the Mount Olympus neighborhood of L.A. -- right in the heart of the Hollywood Hills.

The reason? We're told she didn't have the proper permits.

Major drag too ... because our sources say Meg and her featured guests, Nicki and Ty, were all set to go at a house they'd booked as the main set for the shoot. Nicki and Meg were in costume, rocking matching neon striped outfits, which showed off all their good sides. As in, all of them!!!

The problem is ... someone snitched!!! Law enforcement sources tell us someone called the cops, and officers rolled up to find production didn't have the necessary paperwork. LAPD sent everyone packing, shutting down production.

Not to worry though, Stallionaires ... we're told Meg and co. improvised and were able to lock down another location about 50 miles East of L.A. in Chino Hills. It's just like the Hollywood Hills ... of Chino, anyway.

We're told the team was able to finish the scenes they needed without issues that same night, and the music video is scheduled to be released as planned.

Spoiler alert ... this thing appears to feature some wild animal cameos. Saddle up, folks!!!

Kylie Jenner is riding into 22 with a firm grip on her man -- she and Travis Scott did some tandem jet skiing as part of her outrageous birthday celebration at sea.

Kylie's moved the party into the Mediterranean Saturday -- her actual birthday -- off the coast of Italy. She and her baby daddy are cruising around with her closest GFs on their personal watercraft, as opposed to their OTHER "watercraft" ... the $250 million megayacht, "Tranquility."

And, check out the the birthday girl's sea-faring fashion sense -- an amazing technicolor swimsuit that definitely stands out ... as she always does.

The celebration's been going since the early hours of Saturday aboard their ship. KJ showed off one of her fabulous gifts from Trav ... a diamond chain with a massive pendant fashioned after her Kylie Lip Kit logo -- y'know that thing that made her so stinkin' rich.

It's a pretty sick piece, complete with liquid dripping off the lips ... all made of diamonds, of course.

Hey, we can't all be billionaires at 22, floating off the coast of Italy on a megayacht that costs $1.2 million per week to charter -- but at least we can all share in Kylie's fun.

Cameron Diaz here, checking in from the South of France to show you what it's like to quit your day job -- and it's working for her and her husband!!!

The actress-turned-semi-retiree and Benji Madden are living it up in St. Tropez where they made a huge splash together, literally. The couple took a dive off a luxury yacht and into the crystal clear blue waters. They hopped on what looks like a couple of motorized body boards and also did a little paddleboarding.

The couple's hanging with friends for a picture perfect vacay most of us would kill to take. Then again, most of us would also kill to quit our day jobs, which Cameron actually did. She's still making a splash -- though now it's a literal one -- after announcing she's done with acting ... for now.

Cam recently told InStyle, "The way I look at it is that I’ve given more than half of my life to the public. I feel it’s OK for me to take time for myself now to reorganize and choose how I want to come [back] into the world."

Kylie Jenner is plunking down $1.2 million a week to charter Tranquility, a 300-foot megayacht. By the way, add to that the fuel cost and at least a 30% gratuity for the crew of 29. Insane on so many levels, but there are other yachts that give hers a run for her money.

Check out what we found:

Flying Fox. She floats 446-feet strong ... dwarfing Tranquility!!! There are 54 crew members to tend to your every need. It can be yours -- temporarily -- for $4.4 million a week. The likes of Jeff Bezos have opened their wallets to roam the oceans blue on this incredible ship.

Sailing Yacht A. Holy crap!!! It's 468 feet. It accommodates 20 guests, with a crew of 54. It's got everything ... from a helipad to a spa and a gym, etc. etc. This $500 million boat is not for charter, but if ya know the owner -- Russian industrialist Andrey Melnichenko, well, you could get an invite.

Savannah. It's 272 feet, a little shy of Tranquility. But get this -- it has multiple pools and an underwater lounge!!! Kylie could've saved a little cash, because it charters for $1.36 mil a week.

Alfa Nero. Getting a little cramped -- 266 feet long. It has an infinity pool and a helipad and there are 26 crew members for a maximum of 12 guests. It's yours for $922,500 a week.

Leonardo DiCaprio doesn't need a flamethrower -- like he did in his latest role -- while yachting with his GF, because there's plenty of heat on board ... and we ain't talking about the hot tub water temp.

The "Once Upon a Time in Hollywood" star and model/actress Camila Morrone were very cozy on the top deck of their luxury yacht in Positano, Italy. The couple's enjoying some R&R in the hot tub now that Leo's completed all his media duties leading up to his latest big screen release.

After you're done checking out Leo's alleged "dad bod" and Camila's flawless curves in a white one-piece ... check out where the hot tub's situated in this mega-yacht. The layout begs the question ... does Leo's ride beat Kylie's birthday luxury yacht? Debatable.

Anyway, Leo and Camila -- who've been together for about 18 months now -- do have some company with them, but the hot tub looks to be a couples only zone.

Single mom life seems to be treating Irina Shayk well so far -- VERY well based on how incredible she looks on a family vacay in Spain ... with Bradley Cooper nowhere in sight.

The supermodel's enjoying some yacht and beach time in Ibiza with her daughter, Lea De Seine, Tuesday and it looks like Irina's mom, Olga, was part of the girl squad too.

Irina stood out like she normally does, but even more so thanks to a sexy lime green swimsuit accentuating her figure ... as she hopped off the boat and took a dip in the sea. Wonder if she was inspired by Rita Ora?

We're told Irina and her family had yachts of fun for a few hours before heading back to land and calling it a day.

As we've reported ... Shayk and Cooper agreed last month to share custody of their daughter and live in the same city. Looks like Bradley's might have to step up his vacay game when it's his time with Lea.

The ex-couple started dating in 2015 and had their baby girl in March 2017.

This summer is looking ab-solutely scorching hot!!!

These sexy stars are making their way outdoors to to burn up the Hollywood scene by doing cool things like hiking, beaching and taking a dip in the pool ... the tops are coming off and the shirtless selfies are taking over social media.

See all the flexin' fellas ripping things up this season by flipping through our gallery of hot summer stomachs -- Get a really good look at the celebs showing off their six packs and pecks -- then see if you can guess which jacked star is responsible for the real heat.

Model Cat Kennedy's new bathing suit definitely hits the spot ... to purrrfection.

Cat was spotted -- haha, spotted -- showing off her beach bod in a leopard print bathing suit for a little fun in the sun next to the world famous Santa Monica Pier. Lots of moods to appreciate for sure ... from pensive and playful to mysterious and chill.

Jennifer Lopez -- who regularly steps out in only the bare essentials -- covered her entire bod in the sweltering NYC heat, but it may be a brilliant marketing ploy.

It was 90 degrees Friday in the Big Apple, but felt north of 100 because of humidity. That's why walking out in Guess threads from head to toe would certainly draw attention.

You may recall ... less than 2 months ago Guess announced a J Lo "It's My Party" line. Camo is not part of her line, but it could be.

Henry Cejudo wins again!!!

The UFC superstar is down in Mexico on vacation with a smokin' hot lady on his arm ... and by the looks of things, he's having a GREAT time!!!

Triple C (two UFC championship belts and an Olympic gold medal) was spotted out in Tulum with a new lady friend.

We're told the mystery lady is a soap opera actress from Brazil named Sandra -- and by the looks of it, we're guessing she also does some modeling (if not, she should).

Our Cejudo sources tell us the two are vacation together (it's not like he met her down there) but they're not an official boyfriend, girlfriend thing just yet.

As one source put, "He's still single man. He's having fun."

Cejudo is having one hell of a year in 2019 -- he defended his UFC flyweight belt in January against a juiced up T.J. Dillashaw and then in June he starched Marlon Moraes for the bantamweight title.

Will Smith and his family are in full vacation mode on a breathtaking Italian island ... golfing, swimming, boating and hopping on jet skis for some summer fun overseas!!!

Will brought the gang with him to Sardinia ... and they added a new guest to the bunch, Willow's boyfriend Tyler Cole.

The only thing more beautiful than the Smith clan ... the sparkling blue waters. Willow and Tyler dove right in, while Will and Jada Pinkett Smith stayed on land and hit the links for a competitive round between husband and wife.

Joe Jonas and his bride, Sophie Turner, are still honeymooning under the Southern Italian sun -- and even though they're two weeks deep ... they're treating each day like it's their first.

The couple was spotted Sunday near the shores of the cliffside village of Positano -- and as they made their way down a set of stairs to board a boat ... Joe made sure to capture all the moments.

Sophie had his back too -- he was looking one way firing off shots of the coast, and she was keeping watch on the other side ... making sure he didn't miss anything. Teamwork makes the newlywed dream work!

Before their boat ride, Sophie and Joe enjoyed themselves a couple refreshing spritzers with some smooching in between. It's like they just left the altar!

The couple's been in Italy for at least 14 days now -- they got hitched in late June over in France ... and then jetted down to Italy to soak in some rays ... like just about every other famous traveler, it seems. The also-freshly-married Kat McPhee and David Foster were also honeymooning on a nearby yacht.