10 Best Celeb Quotes This Week

Katy Perry feels like a loony 'toon, plus more from Reese Witherspoon, Jimmy Fallon and other stars

  •  photo | Reese Witherspoon, Robert Pattinson

Credit: Jeff Kravitz/FilmMagic

Updated: Friday Jun 10, 2011 | 06:00 AM EDT By: Christie LaRusso

"And by the way Rob, the punch line to your joke was that I played your mother and then we had a sex scene, so really you're the best motherf---er ever."
Reese Witherspoon, getting back at her generation award presenter and Water for Elephants costar Robert Pattinson, whose mom she previously played in Vanity Fair, at the MTV Movie Awards