Katy Perry wows in a chic all-white Alexander Wang ensemble as she steps out after performing on SNL

Willem Dafoe Finally Hosts While Katy Perry Performs Alongside Giant Mushrooms – Check Out The SNL Highlights HERE!

John Mulaney to join SNL's five-timers club in February alongside musical guest LCD Soundsystem

Katy Perry Performs ‘When I’m Gone’ & ‘Never Really Over’ Alongside Giant Mushrooms on ‘SNL’: Watch