Stars In Heat

Vin Diesel is learning an important lesson in Rio de Janeiro this week -- in Brazil, even the sand sculptures wear thongs.

Fergie's rockin' bod on a Brazilian beach ignited the world's most important argument ... does she have the best physique in Hollywood? Bonus question: what's on Paul Walker's stomach?

Not to be outdone by her "Fast Five" cast, Jordana Brewster cooled her smokin' hot bikini body at the beach in Rio on Thursday.

Fergie got cheeky in south Brazil yesterday with husband Josh Duhamel -- the same day Paul Walker, Vin Diesel, Ludacris, Tyrese and the rest of the "Fast and the Furious 5" cast hit the beach in Rio.

If you're wondering how Elisabetta Canalis managed to keep George Clooney around for more than a year ... just look down.

"Real Housewives of New York City" loose cannon Kelly Bensimon got a little hot and bothered while in Fort Lauderdale on Wednesday.

"90210" star Shenae Grimes, 20, showed off her sexy spandex granny panties while in Hawaii this weekend.

"True Blood" stud Ryan Kwanten showed off his amazing shirtless acting chops on the beach in Hawaii on Thursday.

Just days after her ex Jim Carrey was spotted canoodling with his new brunette, Jenny McCarthy and her smokin' bikini bod hit the beach with her new buff man candy Jason Toohey in Miami on Thursday.

Former "Bachelor" vixen Rozlyn Papa pooled her resources in Vegas recently -- and by the looks of it, the 29-year-old ex-reality star is still extremely well-endowed.

These crazy kids today with their Facebook and their video games and their iPhones ... and their boat parties in Hawaii with chicks in bikinis.

R+B singer Cassie showed off her bangin' b-side while rockin' a bikini in Miami on Monday.

Katy Perry strapped a wedding veil to her butt this weekend for one last fling as a single woman -- at a bikini bachelorette party in Vegas with Rihanna and a bunch of her friends.

Heidi Montag struggled to contain herself in Costa Rica last week -- when the reality star's bikini top happened to collapse under the pressure of a G-cup-sized breast ... right in front of the cameras.

Charlie Sheen's ex-wife Denise Richards, 39, heated up a cool and cloudy beach day by rockin' a sexy black bikini in Malibu on Wednesday.

With the hot sun beating down on him, embattled singer Chris Brown flipped women off his shoulders, got into chicken fights and frolicked without incident in the warm waters of Miami Beach on Tuesday.