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

Jimmy Fallon interviewing Harry Styles - a.k.a. Kristen Wiig.

Tonight on Jimmy Fallon’s first ever episode of 'The Tonight Show', his pal Harry Styles - a.k.a. Kristen Wiig - stopped by for a chinwag.

THEY EVEN SUNG 'WHAT MAKES YOU BEAUTIFUL' TOGETHER!

Watch the 'interview' below…