A new trailer for the upcoming Cameron Diaz and Jason Segel-starring comedy Sex Tape has been released - talk about knowing who your friends are.

Directed by Jake Kasdan (Bad Teacher, New Girl, Freaks and Geeks), Sex Tape finds couple Annie (Diaz) and Jay (Segel) in a race against time to keep their private life private.

Sex Tape opens in cinemas on Wednesday September 3.