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

Watch: Harry Styles attempt to get into The Late Late Show.

In support of his just released self-titled debut album, Harry Styles has just begun his week-long residency on The Late Late Show with James Corden, and played a part in this skit during which he had to convince a security guard that he really genuinely is Harry Styles.

Get ready for some swooning…

Watch the skit below…