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

MUNA and Phoebe Bridgers perform 'Silk Chiffon' live on The Late Late Show.

Phoebe Bridgers joined MUNA last night on The Late Late Show with James Corden last night, for a prom-themed performance of 'Silk Chiffon' together live.

Watch the rendition below...