Julianne Hough Family Blonding Turns Into Puke Fest

Julianne Hough and her 3 sisters are having a kick ass Mexican vacation -- bikinis, sun, cervezas and ... projectile vomiting off a boat!

The former "Dancing with the Stars" judge and pro is down in Cabo San Lucas on a family girls trip -- Mom's there too -- and they all set sail Tuesday. Looked like a ton of fun at first ... and then las hermanas y madre turned their stomachs inside out.

Unclear if the illness was booze or wave induced, but Julianne comforted everyone by making sure to capture their puking on her iPhone.

Viva Mexico!

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Taylor Swift to Calvin Harris I'm Bouncing ... But I Suck At It

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Taylor Swift's famously long legs ain't made for bouncing ... 'cause you gotta see her epic belly flop.

Swiftee and her bf Calvin Harris are off on some tropical island celebrating their first anniversary, and she decided to show off on one of those giant water trampolines.

The best part? Calvin laughing his ass off at her. Coolest guy.

Elin Nordegren & BF I'm Great On Moguls ... Good at Skiing Too

Elin Nordegren's tycoon boyfriend Chris Cline has earned his stripes with Tiger Woods' ex-wife ... in a BIG billionaire way.

The two jetted off for a ski trip to St. Moritz, Switzerland -- it's where the rich go to ski -- and looked real cozy on the mountain ... after arriving by helicopter!

36-year-old Elin met Chris, who's 21 years older, when she started building her post-divorce, mega-mansion in Palm Beach ... right next to his beachfront palace. They split in 2014, but got back together late last year.

You know what they say -- couples who ski together, do NOT golf together ... especially with their exes.

Jason Derulo & Daphne Joy Hardcore Beach Bums

Jason Derulo and Daphne Joy did their own version of "Baywatch" ... flaunting their ridiculous bodies while vacationing in Mexico.

The couple hopped on an ATV, tried their hands at surfing and frolicked on the sand outside Casa Aramara, Joe Francis' celeb-friendly estate in Punta Mita.

Based on these pics ... it's a safe bet Daphne also took Jason for a ride.

Scott Disick Cerveza y Bikinis ... Por Favor

It's pretty clear now ... Scott Disick isn't concerned about drinking after his rehab sting -- he's lounging poolside with hot chicks down in Mexico.

Scott surfaced at Joe Francis' home in Punta Mita along with at least 5 babes in bikinis ... including one Kendall Jenner look-alike.

We'll say this ... at least he's hyrdating. Scott downed agua while taking some phone calls, but switched to cervezas when it was time to chill with the ladies.

Both go down well in the hot Mexican sun ... beer and water, that is.

Woody Harrelson Natural Born Backflipper!

If you needed a reason to love Woody Harrelson -- or to want to be Woody -- here he is doing a backflip off a yacht in Maui ... at the age of 54.

We'll give it a solid 8. Man, he gets high.

Hilary Duff Me & My Ex Break All the Rules

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TMZ.com

Hilary Duff doesn't find anything awkward about the Hawaiian vacation she went on with her ex-husband Mike Comrie.

We got Hilary at LAX, and asked about her Maui trip with Mike and their 3-year-old son Luca ... a week after their divorce was finalized. For a lot of people ... it seemed way too civilized, especially for a Hollywood couple.

Check out Hil's answer ... she's writing a new rule book.

Oscars Swag Suite $20k Worth of Vacays, Fat Burning ... And Schmancy Gum

The Academy Awards are luring celebrities to their lavish gifting suites by showering them in things like beauty treatments, lavish vacations and even a simple pack of gum.

GBK, the fancy event planning firm that gives away high-priced Oscars swag every year, is posting up at the London Hotel. This year they're providing $20,000 worth of freebies which includes some low key items -- a $130 3D printing pen, and $15 vegan gum.

The big ticket swag though is the $8,000 trip for 2 to St. Martin, and a $1,500 laser treatment ... to burn fat around your abs. Seriously. There's also an $8,000 coupon to a Beverly Hills vision center.

That's a crap ton of sunglasses.

Floyd Mayweather I Love Amsterdam Yeah, I Hit the Red Light District

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TMZSports.com

With Floyd Mayweather back in the U.S. after a quick trip to Amsterdam ... we had to ask the obvious question -- did you make any purchases in the legendary red light district?

We know Floyd was there this week -- he posted a pic in front of one of the city's many legal brothels ... along with the caption, "If you pay, you can slay #bendover #howmuch."

So, did he or didn't he? Watch the clip.

Peyton Manning What Scandal? I'm In Mexico, Baby!

Seems Peyton Manning traded Budweisers for Coronas this week ... 'cause the Super Bowl champ just turned up in Mexico.

Hilary Duff All Fours Vacay Triggers Milf Alert!

Hilary Duff's dogging it on the beach ... getting down on all fours and that adds up to a perfect 10 -- scientifically speaking.

We got these shots of the now officially single mom on vacation, soaking up the sand and surf on Maui.

Former NHL star Mike Comrie, aka Hil's new ex-husband, was also there with their 3-year-old son Luca. But this photo gallery is just for mom.

And Mom's ass. Aloha!

Oprah Aloha, Everyone's Going To Hawaiiiiiiiiii!!!

Oprah is still in the giving biz, as she hooked up her OWN crew with what she'd call a little field trip -- and the rest of us would call a balling out luxury vacay.

O took her team to the Four Seasons Resort Maui at Wailea, but it wasn't all pineapple and mai tais.

We're told they were planning for something called, 'Your Next Bold Move' -- a collaboration between Oprah and self help teacher Brendon Burchard.

Free trips to the Four Seasons -- best path to your "best self" ... hands down.

Serena Williams Check Out My Sick Vacay Home ... AND MY HEALTHY ASS

Serena Williams might have lost her last time on the court ... but here's more proof she's winning in life ... the RIDICULOUS crib she's calling home while on vacay in Jamaica.

The 10,000 sq ft spot is located in Ocho Rios, Jamaica and rents for an insane $20k per week ... but with 7 bedrooms and 9 bathrooms it sleeps 14 freakin' people ... so you can go halfsies.

It ain't just space she's buying though ... according to the listing site FlipKey.com ... the home gives you access to a pool, hot tub, and get this ... your own private boat to cruise the high sea.

Serena's been Snapchatting like crazy from inside the place ... including the now instant classic vid of her reppin' the USA to the fullest ... in an ASSTACULAR star-spangled one piece swimsuit.

Of course, we included that below ... so you can see the home in the flesh. All its beautiful perfect flesh.

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Nina Dobrev Lei'd on the Beach

'Vampire Diaries' star Nina Dobrev does not fear the sun.

Dobrev, who left CW's hit show last year after six seasons ... soaked up the surf and sand over the weekend with her pals in Maui.

Nina's found new and exciting ways to entertain us.

Gwyneth Paltrow Mi Casa Es Baller!! Y Muy GRANDE Too

Gwyneth Paltrow and her BF, TV producer Brad Falchuk enjoyed a quiet Mexican vacation in a teeny tiny beachfront villa ... BUILT FOR 12!

Okay, they've got Gwyneth's kids too, but they ain't that big. The 4-some rented the $20 million, 6-bedroom pad from Airbnb ... and likely chose it for its secluded vibe near the St. Regis Punta Mita. It ain't cheap ... $8k a night!

It's a stone's throw from another celeb magnet down in Mexico -- Joe Francis' baller pad.

Perks of Gwyneth's place include a private chef, yoga room, gym, and not just one, but 2 connecting infinity pools. So, yeah, not a bad place to watch sunsets.

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Mariah Carey My New BF Doesn't Rock Like Nick

Mariah Carey went solo in Aspen Monday when she walked the streets in her signature red and black XMAS outfit with no one by her side.

Mariah and Nick Cannon were a staple in the ritzy mountain community, always wearing matching getups during the season.

It appears Mariah's new man, James Packer -- who is with her in Aspen -- isn't a fan of matchy matchy.