After spending last weekend in a life-size hand sanitizer costume, Katy Perry is now shuffling around the house in a giant roll of toilet paper to promote Sunday night's at-home episode of American Idol."@AmericanIdol is on a roll so you’re going to want to put your [puzzle] down, pull out your [banana bread], and tune into #AmericanIdol tonight at 8/7c on @abcnetwork.