Hilary Duff stopped by The Ellen DeGeneres Show on Thursday to perform her new single “Sparks” for the first time on television. She wore the Stella McCartney Superhero Print Wilson Silk Shirt ($880.00), Stella McCartney Superhero Print Merritt Shorts ($730.00) which have been shortened, a Stella McCartney Blue/Red Superhero Striped Waist Belt ($565.00), and Saint Laurent Glitter Embellished Sneakers ($595.00).