Katy Perry: Mint Tweed Suit, Bow Pumps

Katy Perry appeared on American Idol wearing Cropped Double-Breasted Jacket ($2,451.00) and Wide-Leg Tweed Trousers ($2,188.00) by Alessandra Rich, vintage Christian Dior 5-Row Pearl Necklace (Sold Out) and Mach & Mach Double Bow Crystal-Embellished Satin Pumps ($995.00).