Katy Perry on John Mayer: 'We're Doing a Lot of Collaborating'
Is there a Katy Perry and John Mayer collaboration in the works? Yes, or something like that.
While Mayer couldn’t attend the premiere with his Smurfette, Katy wasn’t on her own. Grandmother Ann Hudson was by her side.
Staying true to her character, the “Firework” singer dazzled in a blue Tadashi Shoji dress.