The Stars Get Ready to Rehearse Their Rumbas!

Well, we're not exactly sure if all of them were about to rehearse rumbas, but we bet they will have to showcase that dance at some point! Audrina Patridge, Bristol Palin and Mike "The Situation" Sorrentino were among the famous faces arriving yesterday at a practice space to prepare for Dancing With the Stars in West Hollywood.

OK! GALLERY: JERSEY SHORE CAST STROLLS IN SUNNY CALI

Also on hand to stretch their dancing muscles were David Hasselhoff, Jennifer Grey, Kyle Massey and pros Lacey Schwimmer, Derek Hough, Mark Ballas and Karina Smirnoff.

OK! GALLERY: DANCING WITH THE STARS CAST COMPETES TO REHEARSE

The Situation's appearance at practice could explain why he wasn't hanging out with his Jersey Shore castmates, who were spotted heading to a meeting in L.A. yesterday. Mystery, solved!