Nicki Minaj surprises YouTube sensation Singers on Ellen [VIDEO]

Sophia Grace Brownlee, 8, and her cousin Rosie Grace McClelland, 5, from Essex, England, got the surprise of their lives during an appearance on The Ellen DeGeneres Show when Nicki Minaj came out from behind the stage to meet them.

The two became a YouTube sensation with their rendition of Minaj's hit Super Bass. Cute.