coup de main - noun
kü-də-ˈmaⁿ
Definition of coup de main : an attack that achieves complete surprise.

Watch: Brie Larson is the 4th Haim sister.

To promote Haim’s upcoming new album 'Something To Tell You' (out July 7th), actress Brie Larson has teamed up with the sisters for a Funny Or Die skit, during which it’s revealed that she is actually the 4th Haim sister, Frime Haim.

Watch the reveal of 'Frime Haim' below...