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

Must-watch: Lorde performing 'Tennis Court' live at the 2014 BBMAs.

Wearing what is probably my favourite [Teen Witch] stage-outfit of hers yet, Lorde performed a fierce rendition of her single 'Tennis Court' live at the 2014 Billboard Music Awards tonight.

THE CUTE BABY DINO-DANCING!

Watch the full performance below…