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

Watch: Holly Humberstone covers 'Kiss Me More'.

During a BBC Radio 1 Live Lounge session, Holly Humberstone performed a cover of Doja Cat and SZA's single, 'Kiss Me More', as well as her own song, 'London Is Lonely'.

Watch both performances below...