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

Watch: Paul McCartney & Rihanna perform 'FourFiveSeconds’ together at Desert Trip.

| by Shahlin Graves

Rihanna joined Paul McCartney during his set at Desert Trip Festival this past weekend to perform an adorable rendition of ’FourFiveSeconds’ together live.

Riri looks so happy!!!

Watch the performance below...