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

Watch: Harry Styles x SiriusXM secret show.

Harry Styles is in New York currently, and over the weekend performed a secret show (dressed as a yellow ladybird; if ladybirds wore new season sweater vests from Parisian fashion house Lanvin) at the Music Hall Of Williamsburg for select fans and SiriusXM.

Watch his performance of 'Adore You' and a cover of One Direction's 'What Makes You Beautiful' below...