Julianne Moore, Lea Michele, Mary-Kate and Ashley Olsen
Credit: Fame Pictures; Startraksphotos; Getty Images

Paris Fashion Week marks the final stretch of this season's runway shows, and it's ending with a big dose of front row star power! Mary-Kate and Ashley Olsen sat runway-side to support Kanye West's debut collection, while Hollywood favorites including Lea Michele, Julianne Moore, Liv Tyler checked out Hogan, Lanvin, and Givenchy, respectively. Click through to see more celebrities at Paris Fashion Week!