** FILE ** In this July 28, 2013, file photo, singer Britney Spears arrives to the world premiere of "The Smurfs 2" in Los Angeles. Spears announced a 16-date residency at Planet Hollywood Resort & Casino on ABC's "Good Morning America" on Tuesday, Sept 17. "Britney: Piece of Me" will debut Dec. 27. (Photo by John Shearer/Invision/AP, File)