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

Watch: Hailee Steinfeld perform 'Love Myself' live on The Tonight Show.

| by Shahlin Graves

Earlier this week, Hailee Steinfeld appeared on The Tonight Show starring Jimmy Fallon for a sassy leather-clad performance of her debut single, 'Love Myself'.

Watch the performance below...

P.S. Click HERE to read our interview with Hailee!