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

Watch: Billie Eilish covers Michael Jackson's 'Bad'.

Billie Eilish took on Michael Jackson's classic, 'Bad', performing an acoustic rendition of the song for Triple J's 'Like A Version', as well as her own song 'bellyache'.

Watch both performances below...

P.S. Click here to read our latest Billie Eilish cover-story.