Happy Birthday, Michael Kors! The designer,known for being a sharp-tongued (and hilarious) judge on Project Runway, turns 55 today. In honor of his fashion career, which spans over 25 years, we're taking a look back at his best designs as worn by Hollywood's most stylish stars. From Kate Hudson's black cut-out column to Angelina Jolie's all-white ensemble, Kors designs know just how to flatter the woman wearing them. Click through to see our top picks!