Video: Keira Knightley impresses Cher by playing music on her teeth

Keira Knightley once demonstrated on the Graham Norton Show that she can ‘play music’ on her teeth. On the new episode of the show, she returned as a guest on a panel that also included Cher. When Norton asked if Knightley could play a Cher song on her teeth, the actress happily obliged with ‘Believe.’ The pop icon was impressed.