In this Feb. 8, 2015 file photo, Katy Perry arrives at the 57th annual Grammy Awards at the Staples Center in Los Angeles.
In this Feb. 8, 2015 file photo, Katy Perry arrives at the 57th annual Grammy Awards at the Staples Center in Los Angeles. Jordan Strauss Jordan Strauss/Invision/AP
In this Feb. 8, 2015 file photo, Katy Perry arrives at the 57th annual Grammy Awards at the Staples Center in Los Angeles. Jordan Strauss Jordan Strauss/Invision/AP