nicolemollygym.jpgNicole Richie and Molly Sims have been known to frequent the same Studio City gym, but even though they may sweat at the same place, they couldn't do it with more distinct styles!

While Nicole, who used her $2,000 Givenchy Antigonia duffle as a gym bag, wore a leather jacket and trendy shades along with her Nikes to her home-away-from-home, Molly opted for a more sporty look, letting her toned tummy make a statement for her.

Nicole recently hijacked pals Kim and Khloe Kardashian's Twitter accounts as an April Fool's Day joke.

"My poops are in the shape of Ks," she wrote on Khloe's, while Kim's read "I DON'T CRAP. I KRAP!"

That Nicole is so klever!