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

Watch: Carly Rae Jepsen performs 'Party For One' live on The Tonight Show.

| by Shahlin Graves

In support of her new song, 'Party For One', Carly Rae Jepsen appeared on The Tonight Show Starring Jimmy Fallon last night to perform the song live.

Watch the performance below...