Katy Perry Performs Song Of The Year Grammy Nomination “Roar” At Grammy Nominations Concert Live @katyperry

Katy Perry took the stage at the Grammy Nominations Concert Live to perform her Grammy nomination Song of the Year, Roar, on Friday night. However, the performance was pre-taped. Watch Katy Perry rock it out with one of her singles in the video below! Be sure to tune into the 56th Annual Grammy Awards on CBS on January 26, 2014!