Lea Michele, Jennifer Lopez, Christian Louboutin
Credit: James Devaney/WireImage; Mark Davis/Getty

Christian Louboutin's signature red-soled heels have been everywhere this week, from David Letterman's hot seat to the American Idol stage. We've rounded up some of the cobbler's biggest fans, from Lea Michele to Jennifer Lopez, as seen in their favorite Louboutin designs. Click through the gallery to see who else in Hollywood works red soles!