Katy Perry arrives at the 57th annual Grammy Awards at the Staples Center on Sunday, Feb. 8, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Katy Perry arrives at the 57th annual Grammy Awards at the Staples Center on Sunday, Feb. 8, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)