Hot Bodies

Nina Agdal is the latest model to head into a ring with a trainer, proving hot babes are to boxing what football players are to dabbin'... they're all doing it.

The S.I. 2014 cover girl hit the ring at the world famous 5th St. gym in Miami with owner Dino Spencer.

Dino says Nina's a regular who comes in and trains everyday when she's in town.

Her workout is no joke ... 3 minutes of heavy hitting followed by a minute of lunges, burpees and planks ... done 15 times.

Normally, seeing Nina with so much clothing would be a bummer, but check out her killer reflexes!

She a TKO.

Jennifer Lopez sweaty with no makeup after a cardio workout still looks hotter than most people do on a Friday night out.

J Lo's twins Max and Emme turned 8 on Monday so she was likely burning off the birthday cake or just firming up her best asset.

Her abs are definitely giving her ass a run for the money.

Here's your winner of the day ... Larsa Pippen.

Ronda Rousey is apologizing for posting a photo of herself that was photoshopped to make her arms look smaller -- claiming it was done without her knowledge and she's PISSED.

Ronda had posted a pic from the set of "The Tonight Show with Jimmy Fallon" Thursday -- but quickly noticed her arms looked skinnier than usual ... and called out the person who gave her the pic.

"I have to make an apology to everyone - I was sent a picture to share on social for Fallon that was altered without me knowing to make my arms look smaller."

"I won't say by who - I know it was done with severely misplaced positive intentions - but this goes against everything I believe and I am extremely proud of every inch of my body."

"And I can assure you all it will never happen again. I could not be more appalled and hope you all forgive me."

Whoever did it ... you're on notice.

10:20 AM PT -- A rep for the UFC tells TMZ Sports the culprit is "100% not anyone from the Fallon show."

"They sent [Ronda's team] the photo as is. It was someone on Ronda's team."

When Samantha Hoopes is on the move people pay attention -- mostly because she always looks like this when she's doing it.

Hoopes stepped out in Miami to do ... whatever smoking hot models do when they're not posing or partying, and thankfully she was wearing the least amount of clothing the law will allow.

The Sports Illustrated swimsuit model proves what we already suspected -- absolutely everything is hotter on South Beach ... even errands.

Truth be told ... SW's west coast outings are pretty damn hot too.

Hayden Panettiere is rolling up her sleeves, unbuttoning her shirt and slipping into short shorts to become the next burger-munching hottie for Carl's Jr./Hardees.

Hayden showed off some mom-appropriate daisy dukes on the set of the new commercial. The undoubtedly sexy role is awesome for HP ... especially 14 months after giving birth.

Okay, she officially needs a nickname -- Ashley "Dammmn" Graham ... one of the new S.I. Swimsuit Issue cover girls slayed 'em in white during a Miami event.

For maximum enjoyment, sing the following while perusing the pics:
I'm hooked and I can't stop staring
Oh, baby I wanna get with ya
And take your picture

Gigi Hadid's outfit at the S.I. Swimsuit Issue party left little to the imagination, except this -- we can't imagine where the hell her butt went!

Put out an A.P.B. because Gigi's much beloved ass was definitely missing at the NYC event. We're gonna chalk this up to really, really bad camera angles ... even though the profile shot isn't all that cheeky either.

Let's just remember better days -- Gigi's ass at last year's Tommy Hilfiger show ...

If Tiger Woods wasn't kickin' himself before ...

Here's Olympic skiiing legend Lindsey Vonn getting in a quick workout while on the set of her Sports Illustrated Swimsuit Edition body paint shoot ... and it's awesome.

Not only is she basically naked -- and beasting out with a set of full grown-ass woman pull-ups -- but she's also doing it while sporting a pair of high heels.

Here's Rosie Huntington-Whiteley casually strolling around Malibu Country Mart Monday.

Her fiance, Jason Statham, is all the support she needs.

Here's Ciara at the Grammys.

Dear Russell Wilson ... good luck.

Bella Thorne did her Valentine's Day duty for BF Gregg Sulkin -- and her gift was way better than some flowers or chocolate.

The couple celebrated at the Hard Rock Hotel Riviera Maya with daiquiris and, most importantly, some serious PDA in the ocean.

The 18-year-old Disney star looks pretty serious about the relationship -- booze (she's legal in Mexico) and a beach vacay will do that.

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.

It's a shirtless showdown!

Here's a topless shot of Jason Derulo in his just released "Naked" music video (left) and the godfather of full frontal D'Angelo ... in his signature "How Does It Feel" video from 2000 (right).

The question is ...

Amber Rose and Blac Chyna are still in Trinidad ... feeding orphans and building local schools.

KIDDING, of course -- they're really just keeping the party going post-Carnival in the lowest of low-cut tops and anything that hugs their asses ... which is everything.

We got shots of them all over the island. It's the perfect ass Wednesday chaser.

FUN FACT: Ass worship really does pay, if you buy what happened to the guy in this video when he got pulled over by a cop. Yep ... Amber could get you out of a ticket someday (but don't count on it).

Blac Chyna, Gwyneth Paltrow and Amber Rose have never hung out in the same place -- far as we know -- but they're all hanging out in the right way this week.

All 3 showed off their differently sized, but equally impressive butts recently, so we have to ask ...