Britney Spears's OMG Moments

Her striptease! Her shocking videos! Her split from The X Factor and Jason Trawick! Look back at the star's biggest jaw-droppers

PRIMETIME PREGNANCY

Walking out unannounced on the Late Show with David Letterman, the singer reveals she is pregnant with her second child on May 9, 2006. "Don't worry, Dave, it's not yours," she jokes.