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

Watch: Taylor Swift + Uzo Aduba perform 'White Horse' together live.

At Taylor Swift’s 1989 World Tour show last night - the second of her five night run at Staples Centre in Los Angeles - 'Orange Is The New Black' actress Uzo Aduba joined T-Swift on-stage for a duet of 'White Horse' together live.

I must admit, it’s very weird seeing Crazy Eyes not in character.

Watch the performance below...