Britney Spears was spotted on her way in and out of a dance studio in LA yesterday back from her trip down South for Bryan's new year's wedding. Brit is starting 2009 off with a bang — Circus went platinum last week. Even more exciting is the rumor that Madonna may be joining Britney on stage for some stops on her tour, and this time the two blondes will be performing some hot choreography. You are already eagerly anticipating Britney's world tour, and now we're even more excited to see what sounds like one of this year's most memorable moments already.
To see more photos of Britney outside of the studio just