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

Taylor Swift and Dan Reynolds performing 'Radioactive' together live.

| by Shahlin Graves

Taylor Swift’s 1989 World Tour has now claimed its very first special-guest, choosing to lead with Imagine Dragons frontman Dan Reynolds, who joined TayTay on-stage in Detroit to perform a duet of 'Radioactive' together live.

Watch the performance below...