Has Olivia Wilde been shopping in Harry Potter's closet!? The gorgeous actress stepped out in a not so glamorous mismatched outfit for an appearance on the Late Show. And she wasn't the only star on our fashion fails list. Lorde went gothic at the Much Music Awards and while we understand her style we think she needs to lighten things up just a little bit for summer, right? And Nicole Richie can usually do no wrong, but when she walked the carpet in pants that were way to big on her we couldn't help but stare. Luckily she saved the look with an adorable mint crop top. Check out all of the fashion fails right here!