GLENDALE, AZ - FEBRUARY 01: Katy Perry performs during the Super Bowl XLIX Halftime Show at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona. (Photo by Al Pereira/WireImage)
GLENDALE, AZ - FEBRUARY 01: Katy Perry performs during the Super Bowl XLIX Halftime Show at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona. (Photo by Al Pereira/WireImage)