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

Watch: The Tom Hiddleston vs. Taylor Swift dance-off.

Forget the fancy dresses, 'cuz it turns out that the #1 most important present the 2016 Met Gala gifted the world with wasn't anything to do with fashion, but rather, the fact that Tom Hiddleston and Taylor Swift faced each other in a dance-off.

I kid you not.

Evidence is provided below...

 

A video posted by Carlos Souza (@carlossouza1311) on