Katy Perry Reacts To Princess Charlotte Singing Along With Her At Coronation Concert: ‘So Cute’

Katy Perry, who was dressed up as Elastigirl from the movie “Incredibles,” chatted with Access Hollywood about Disney night on “American Idol” and explained why it is her favorite night of the season. Katy also dished on King Charles’ coronation weekend and shared that the best part was being able to take her mom on a “trip of a lifetime.” Plus, the songstress reacted to Princess Charlotte singing “Roar” along with her performance at the coronation concert. “American Idol” airs Sunday and Monday nights at 8 PM ET on ABC.