Hilary Duff endures a tough Pilates class in Hollywood. She seems like she works out 5 days a week.
Kourtney and Kim Kardashian hit the beach for a power walk while filming KKTM.
Kat Graham gets some yoga in wearing God knows what.
Rosie Huntington-Whiteley makes the gym a priority with a lingerie line to promote. I suspect we've seen the last of her as a VS Angel.
Kristin Cavallari does some stretching for a run in Los Angeles on Sunday.
And here she is at an event in NY last night, less than two months after giving birth to son Camden.
Your thoughts, LC?