Aspiring to salvage her once red-hot pop career, recent rehab grad Britney Spears has given her manager, Larry Rudolph, the heave-ho, blaming him for, among other things, introducing her to the hard-partying, no-pantying likes of Paris Hilton. The New York Post's Page Six also reports that Spears is heavily frequenting the recording studio and dance classes. But the barber? Not so much.