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

Watch: Harry Styles covers Britney Spears' 'Toxic'.

During his encore for Night 2 of Harryween at Madison Square Garden, Harry Styles performed a cover of the Britney Spears classic, 'Toxic' - transitioning from 'Medicine', which he hasn't played live since 2018.

Watch fan-filmed clips of the cover below...