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

Watch: Billie Eilish sing 'Happier Than Ever' with The Count on 'Sesame Street'.

| by Shahlin Graves

Billie Eilish is the latest musical guest to visit 'Sesame Street', appearing alongside The Count to perform an adorable counting-themed version of 'Happier Than Ever'.

Watch Billie sing with The Count below...