Katie Holmes left an LA dance studio yesterday in a Colorfast Apparel tee. She was without her constant companions, Tom and Suri Cruise, but from the looks of her sweats, it seems she worked up a sweat perfecting her footsteps. Katie stays in top physical condition with a mixture of cardio, dance, and running around with Suri. It seems Katie's rigorous fitness schedule got her in shape for her sexy new H. Stern ads. Katie strips down to just the bare necessities for the campaign, modeling the brand's signature pieces against her bronzed skin. The campaign debuted overseas this week, and will be on display in the States later this year.