LAS VEGAS, Dec. 28 (UPI) -- Britney Spears debuted her new show as part of a two-year-long Las Vegas residency before a crowd of about 7,000 people at Planet Hollywood's The Axis theater.
The 90-minute show features 23 songs from the pop diva's repertoire, opening with the will.i.am-produced hit, "Work Bitch," MTV reported Saturday.