What could be more random than John Mayer chilling with High School Musical’s Vanessa Hudgens and Zac Efron at the premiere afterparty for Walk Hard: The Dewey Cox Story just days after Mayer’s triple-threat show in Los Angeles? Check out more photos of Fergie wielding a chainsaw, Brandon Flowers getting an onstage shower, Yoko Ono commemorating the death of John Lennon and more right here.