Katy Perry: White T-Shirt, Striped Pants
Katy Perry appeared on Call Her Daddy wearing Mugler Pierced Baby T-Shirt ($240.00), Acne Studios Pinstripe-Pattern Trousers ($800.00), Uncommon Matters Nebula Ring (€281.51) and Christian Louboutin Tatoosh Spike Slide Sandals ($945.00).