Katy Perry delivers a moving performance at the 2015 Grammy Awards, following introductions from domestic violence survivor Brooke Axtell and President Barack Obama.
Katy Perry performs "Dark Horse" with an assist from Juicy J at the 2014 Grammy Awards.
Katy Perry debuts her new single "Part of Me" live at the 2012 Grammy Awards. Is there a little dig at Russell in there?

Katy Perry Biography

Katy Perry, Blonde Hair Photo
Katy Perry kissed a girl and she liked it, ladies and gentlemen. Or at least she wrote a song with those lyrics. The Californa... More »
Santa Barbara, California
Full Name
Katheryn Elizabeth Hudson