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

Must-watch: Alexa Chung on 'Gossip Girl'.

Alexa Chung made a guest-appearance on 'Gossip Girl' earlier this week...

I WANT HER DRESS! SO MUCH.

But alas, the Internet refuses to co-operate and tell me where it's from.

Watch Alexa's 'Gossip Girl' one-liner below...