Hot Bodies

Former "Baywatch" star Jeremy Jackson is entering "Celebrity Rehab" because he's addicted to hormone injections -- and fears his fitness obsession has taken over his life ... TMZ has learned.

Joanna Krupa ... in a tiny bikini ... frolicking on the beach. We'd suggest watching on mute -- but then you'd miss the high notes.

S.I. cover model Irina Shayk must've left her Lady Bic in Russia ... because her legs are hairier than her BF Cristiano Ronaldo's ENTIRE BODY! Not that anyone's kicking her out of bed for it...

Taking a cue from Mo'Nique, Sports Illustrated cover girl/Cristiano Ronaldo's super hot girlfriend Irina Shayk proudly showed off her sexy hairy legs in L.A. on Tuesday.

Roseanne Barr was kickin' it in Maui yesterday when she noticed the paparazzi snapping away ... so she gave 'em exactly what they wanted -- hotness.

The baseball gods were smiling down on an LA Fitness in Hollywood last week -- where two guys from "The Sandlot" reunited to pump some weights.

When not fighting with "Teen Mom" Amber Portwood, her baby daddy Gary Shirley is waging an all out battle of the bulge.

Dating A-Rod is doing wonders for Cameron Diaz's super buff shoulders and biceps.

Sofia Vergara started off with a blank slate Tuesday morning in NYC -- where skilled make-up technicians on set for her new movie "New Year's Eve" were able to rearrange her face.

Not bad, right?

Last night's Super Bowl featured trailers for "Captain America" with a shirtless Chris Evans and "Thor" with a shirtless Chris Hemsworth.

Wearing some sort of sheer support top thing as part of her dress, Katy Perry showed off her lovely California girls at a launch party for her new perfume Purr in Mexico City this weekend.

Just because there are no cheerleaders at Super Bowl XLV -- doesn't mean you should be deprived of their cheery goodness!

While on the set of the new "Spider-Man" film in L.A. on Thursday, Andrew Garfield (or possibly a stunt double) proved he's the total package when it comes to filling out the webslinger's tights.

Katie Couric is all business -- swimsuit business ... and when she slipped into a revealing one-piece it was just sexy enough to get one TMZ staffer WAY too worked up.

One of "American Idol's" most notorious famous for no reason contestants, "Bikini Girl" Katrina Darrell, has released her own music video -- and wouldn't you know it ... she's in a bikini.