Ashlee Simpson is wearing a red polka dot blouse and multi print shorts by Haute Hippie.
Christina Aguilera’s tuxedo look on The Voice Season Two Finale
Norma Kamali studded shorts
Loree Rodkin ring @ Net-a-Porter
You’ll also need a white shirt, fishnet stockings and knee-high boots. Finish it off with big hair, smoky eyes and red lipstick – then you’re good to go!