Toned and Trimmed
Cameron Diaz leaves the Tracy Anderson studio in Los Angeles showing off her long, lean body in a cute denim vest and white hoodie paired with black cropped leggings.
Staying in Shape
Patrick Schwarzenegger fusses with his hair while working out in Los Angeles in a white tee and black sport shorts.
Dancing Machine
Kelly Picker struts her stuff working up a sweat at Dancing With the Stars rehearsals in Hollywood.
Fitness Hunk
Liam Hemsworth leaves a West Hollywood gym in a white raglan-sleeved shirt and a pair of bright blue sneakers.
Power Cutie
Katy Perry looks toned and trim in all-black workout gear while going for a walk in Los Angeles.
Working Out in Style
Ian Somerhalder pairs his grey ensemble with eye-catching Puma BioWeb sneakers while working out.
Low Profile
Vanessa Hudgens wears a Faith cap and black UGG boots as she hits the gym in Los Angeles.
Hiking Hottie
Cameron Diaz looks sleek in an all-black workout outfit while hitting the trails in Los Angeles.
Fit Fundraiser
Sophia Bush is ready for her fundraising Sweat for Change fitness challenge in her comfy New Balance sneakers, while on the set of Hatfields & McCoys in Boston. She tweets about "hittin the bike" in order to raise money for nonprofit Little Kids Rock.
Flower Power
Vanessa Hudgens is fit for spring in BodyRock Sport's flirty Love For All floral capris, while exiting a yoga studio in Los Angeles.
Designer Duds
Katy Perry keeps things chic at a Beverly Hills gym in a Radarte hoodie.
Hooded Hottie
While out and about in Los Angeles, Jennie Garth keeps warm in a colorful zip-up hoodie.
Hoop Dreams
The chilly weather in New York doesn't stop Hugh Jackman from working on his fitness. The actor bundles up in a beanie, scarf and pullover while dribbling a basketball through city streets.
Stepping Up
Dad-to-be Josh Duhamel sneaks in a quick workout while wearing some fashionable PUMA apparel and shoes.
Fab Abs
Denise Richards shows off her toned figure in a sports bra and capris after hitting the gym in Los Angeles.
Washboard Tummy
Brooke Burke shows off her toned physique in a white sports bra and capri spandex pants after a workout in Malibu.
Hip Hiker
Kirsten Dunst is cute in cropped workout pants and classic black sunnies for a hike in Studio City.
Comfortably Fit
Vanessa Hudgens is cozy chic in a hoodie and boots after a workout session in West Hollywood.

