Lacey Donohue · 12/28/13 02:01PM
[Britney Spears, 32, began her two-year residency at the Planet Hollywood Resort and Casino in Las Vegas Friday night. While some attendees loved the show featuring a "frequently airborne Spears," others complained Spears hadn't "donned the sexy school girl outfit or the skintight orange jumpsuit she wore in sexier days." Image via AP]