Guest, James Maslow, Victoria Justice , Melanie Iglesias - Celebrities attend after party on opening night of Sir Arthur Conan Doyle's Sherlock Holmes at The Montalban Theatre. at The Montalban Theatre - Los Angeles, California, United States - Thursday 15th October 2015 (1 Picture)
Guest, James Maslow, Victoria Justice and Melanie Iglesias
Photo credit: Brian To
Perry appeared on James Corden's 'The Late Late Show' on Monday and addressed her long-standing rivalry with Swift.