John Mayer & Andy Cohen 10 photos Next GalleryGillian Jacobs, Vanessa Bayer, & Phoebe Robinson 10928729 Happy 50th birthday, Andy! 10928730 John Mayer surprises Andy in the Clubhouse and he takes over the hosting duties! 10928731 Andy is so happy to see good buddy John. 10928732 John Mayer might have a future in hosting, no? 10928733 Andy and John play Andywood Squares! 10928734 John surprises Andy with a Diana Ross cover! 10928735 John and Andy talk about their awesome friendship. Previous Pause Next 1 of 7