When we heard PINK was spending half her new tour singing upside down while hanging from a trapeze, we ran right over to Britney's house to make sure she hadn't exploded with envy. (Too late: Federline was in the living room, Swiffering up the remains of his ex-wife's ego.) Now that American Idol's over, the Funhouse Tour is pretty much all we're going to be thinking about for the next six months.