Katy Perry Calls Boyfriend John Mayer A "Genius"

wochit entertainment
September 27, 2013 AT 1:28 PM
Katy Perry just can't stop gushing over her man John Mayer. "He literally is a genius, as is evident from his songwriting," the 28-year-old beauty says in the latest issue of Billboard magazine, in which she also promotes her highly anticipated album PRISM.