Stars In Heat

For your viewing pleasure, Hayden Panettiere poured herself into a skimpy orange bikini in Hawaii the other day.

The 22-year-old former "Heroes" star flaunted her curves while vacationing with her NY Jets boyfriend Scotty McKnight.

Rachel Bilson has really shaped up nicely since "The O.C." ended five years ago.

The 30-year-old showed off her slammin' bod in a sexy bikini while on the beach in Barbados on Wednesday.

She's still one hot Summer.

Just three months after giving birth to little Blue Ivy, Beyonce showed off her curvy maternal physique in a chic one piece black Norma Kamali swimsuit while taking a dip in the Caribbean on Monday.

The 30-year-old is one hot mama.

Andy Roddick's model wife turned actress Brooklyn Decker took time out of promoting her new flick "Battleship" in Australia to flaunt her sexy body and soak up the sun in a black bikini this weekend.

It's true, Brooklyn really is the hottest place to be.

"Mirror Mirror" star Julia Roberts proved she's still the fairest of them all by showing off her smokin' 44-year-old mother-of-three body this weekend in a hot black Tory Burch bikini.

With her classy lower back tat peeking over her bikini bottoms, the former "My Best Friend's Wedding" actress frolicked around the beach in Hawaii with her 3 kids -- Hazel, Phinnaeus and Henry -- and her RIPPED husband Danny Moder.

Miley Cyrus showed off her toned, flat stomach after leaving the gym in L.A. on Wednesday.

With all the news about his big brother Peyton's trade to the Broncos and that other New York NFL team QB, Eli Manning continued to adjust to life after winning the Super Bowl by basking in the sun with his wife and daughter on Miami Beach this weekend.

It was belly bump vs. booty bump, as bikini-clad Kim and Kourtney Kardashian let all their loveliness hang out while vacationing in the Dominican Republic this weekend.

While pregnant Kourtney flashed her bulging stomach, Kim made sure her posterior pride and joy enjoyed its moment in the sun too.

With the world going crazy for that other young adult love triangle movie, "Twilight" hunk Robert Pattinson sought some bearded, shirtless solace by paddle boarding in Malibu this weekend.

He's always been known for having ripped muscles, but 40-year-old Mark Wahlberg proved he's bigger, buffer and beefier than ever by going shirtless on the set of his new flick in Miami on Friday.

Spring has officially sprung which can mean only one thing ... half-naked celebrity photos from all around the world!

Paris Hilton in a bikini in Miami yesterday,

Victoria's Secret angel Doutzen Kroes showed off her maternal instincts today in Miami -- slipping into a tiny pink bikini ... and chasing her 1-year-old around the beach.

Breaking News: Nicole Richie has curves!

While she used to get grilled for being morbidly thin back in her party girl days (right), Nicole proved she's all grown up and filled out in the right places by rockin' a sexy two-piece in Miami on Wednesday (left).

The 30-year-old mother-of-two "Fashion Star" mentor really is basking in the sun.

AnnaLynne McCord really knows how to throw her weight around -- showing off her sexy skin and bones in a tiny tie-dye Bettinis bikini today in L.A..