Video! Sophia Grace and Rosie Debut Original Song for Ellen

Half-pint YouTube sensations (and huge Nicki Minaj fans) Sophia Grace, 8, and her cousin, Rosie, 5, famously appeared on "The Ellen DeGeneres Show" last October, rapping alongside Minaj in an impressive, show-stopping performance.

Ellen's website posted another video of the talented kids, rapping an original song, and announced that Ellen is sending them to cover the Grammys!

Check it out!