(1) He lip-synced 'Return to Sender'.

(2) She lip-synced to a Beatles song.

(3) Many pop stars lip-sync on the stage nowadays.

(4) Do your friends cover their ears when you sing along with the radio? Does the choir director ask you to lip-sync?

(5) When Sound Designer Ben Burtt delivered a suitably bizarre mix of guttural speech and clicking insect sounds, the lip-sync was redone to properly match.

(6) In the interim, the animators used backwards recording of the voice actor for lip-sync purposes.