Watch: Ed Sheeran and Sam Smith’s “Stay With Me” Duet

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Sam Smith's Heartbreak
Sam Smith talks heartbreak, marriage, and kids.
Prepare for a British invasion.

Concertgoers at Sam Smith‘s show at Albert Hall in Manchester, England Thursday night were surprised when English crooner Ed Sheeran crashed the stage, joining the singer for a duet of his mega-hit, “Stay With Me.”

Smith later wrote about the impromptu collaboration on his Instragram, captioning a photo of the two onstage together, “So amazing to have this KING @teddysphotos on stage with me tonight. Such a wise and true friend to have. Love ya brother x.”

Watch the once-in-a-lifetime performance in the video, above.