Olivia Wilde sports Gucci sweatshirt to attend the star-studded launch of Brad Pitt's cashmere clothing collaboration with Nick Fouquet in LA
Also attending the fashion festivities were the Red Hot Chili Peppers' Anthony Kiedis and Chad Smith as well as Malin Akerman, Michelle Monaghan, Colton Underwood, Amber Valetta, and Rumer Willis