Who: Nicole Richie wearing a Mugler cutout back blouse and Jimmy Choo Sepia patent leather trimmed pumps
Shop: Mugler Blouse
Barneys.com $499
Jimmy Choo Pumps
Nordstrom.com $850 / £538.33
Saks.com $850 / £569.56
Bergdorf Goodman $850
My Theresa.com $850
Where: Virgin America Sunset Strip Music Festival, LA

Credit: Getty