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

Watch St. Vincent and Dua Lipa's 2019 Grammys mash-up.

St. Vincent and Dua Lipa teamed up during the 2019 Grammy Awards show yesterday, to perform a mash-up of their respective songs, 'Masseduction' and 'One Kiss'.

Watch the performance below...