WATCH: SAM SMITH AND ED SHEERAN SHARE STAGE AND SING 'STAY WITH ME'

Two of today's best male vocalists, Ed Sheeran and Sam Smith shared the stage and sang "Stay With Me."

Ed Sheeran joined Sam Smith onstage in Manchester's Albert Hall on Wednesday night. The crowd went absolutely insane that they got Ed Sheeran as a bonus.

Watch:

So amazing to have this KING @teddysphotos on stage with me tonight. Such a wise and true friend to have. Love ya brother x

A photo posted by Sam Smith (@samsmithworld) on Oct 10, 2014 at 4:22pm PDT

After the show, Sam Smith posted a photo of the duo on Instagram, with the caption: "So amazing to have this KING @teddysphotos on stage with me tonight. Such a wise and true friend to have. Love ya brother x"