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

Watch: Holly Humberstone covers Justin Bieber's 'Sorry'.

| by Shahlin Graves

During a solo live session for BBC Radio 1's piano sessions last week, Holly Humberstone performed a cover of Justin Bieber's 'Sorry', as well as a stunning rendition of 'Haunted House'.

Watch both performances below...