Britney Spears Residency Vegas

December 28, 2013 - 6:34 AM
In this photo provided by Caesars Entertainment, Britney Spears rehearses "Britney: Piece of Me" at Planet Hollywood Resort & Casino on Thursday, Dec. 26, 2013, in Las Vegas. Spears began her two-year Las Vegas casino residency Friday. (AP Photo/Caesars Entertainment, Denise Truscello)