After a seven-year hiatus, Katy Perry is back on the road on her The Lifetimes world tour. The tour kicked off this spring and is making its way to over 80 scheduled stops around the world.

The Hollywood star, 48, called the actress, 44, 'mother number one' after she taught Daisy, four, who he shares with his wife Katy Perry, to paint on the set of Deep Cover. Appearing on Heart ...