Bristol Palin: First 'Dancing with the Stars' Rehearsal Pics!

Bristol Palin grins from ear to ear as she begins rehearsals for Dancing with the Stars with her professional dance partner, Mark Ballas, in these recent photos.

The 19-year-old former first daughter of Alaska practiced her moves with Mark, a two-time champ on the program, for their debut performance on Monday, September 20!

Bristol will face off against celebs including The Hills‘ Audrina Patridge, Mike “The Situation” Sorrentino and David Hasselhoff!

10+ pictures inside of Bristol Palin rehearsing for DWTS…