'X Factor' goes X-rated as singer's pants drop

Paula Abdul and Simon Cowell appear in a promo for 'The X Factor,' which debuts on FOX on Sept. 21, 2011. (FOX)

September 15, 2011 10:58:36 AM PDT
On "American Idol," a contestant performed "Pants on the Ground." On "The X Factor," a singer dropped his pants to the ground and sent Paula Abdul running for cover.