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

Watch Donald Glover perform 'Redbone' live for Billie Eilish as an early birthday present.

With early birthday celebrations, Billie Eilish concluded the third night of her hometown shows this week at The Kia Forum - concluding the festivities with a surprise appearance from Donald Glover who performed a rendition of his song 'Redbone'.

Watch some fan-filmed videos of the performance below...