Rosario Dawson, Ashlee Simpson, Emmy Rossum, Lindsay Price and Twilight's Anna Kendrick worked up a sweat on Wednesday -- cycling, running and squatting the afternoon away in Hollywood.
RadarOnline.com's Katie Krause was at Reebok's Women's Fitness House and sat down with some of the toned and taut ladies, who dished about their best exercise tips, favorite workout jams and who they thought had the hottest body in tinsel town.
"I once had a treadmill in my closet because I had no room in my apartment," Emmy Rossum recalled about a creative way she paired fashion and fitness.
"I really, really needed to workout so I put the treadmill in my closet!"
While the Phantom of the Opera beauty praised Cameron Diaz's surfer girl bod, Lipstick Jungle bombshell Lindsay Price revealed that she was majorly crushing on Taylor Lautner's werewolf physique!
"We're seeing a lot of that guy from Twilight, the werewolf," she gushed about Taylor with a smile on her face.
"That guy has got a good body!"
What is the one workout item that stars can't live without?
"I want to make sure that everything is gonna be staying in place when I'm running," dished Rosario Dawson on the importance of a good sports bra.