Frank A. Montaño - Celebrities attend 88th Annual Academy Awards at Hollywood & Highland Center in Hollywood. at Hollywood & Highland Center in Hollywood, Academy Awards - Los Angeles, California, United States - Sunday 28th February 2016 (1 Picture)
Frank A. Montaño
Photo credit: Brian To
Perry appeared on James Corden's 'The Late Late Show' on Monday and addressed her long-standing rivalry with Swift.