Jennifer Aniston is an icon when it comes to her hair, but her makeup is equally enviable. Lucky for us, we got all the intel on Jennifer's red-carpet look at the Oscars from her go-to makeup artist, Angela Levin (who is not just a wealth of knowledge when it comes to makeup, but charismatic, too). She divulges how she made Jennifer's lashes so voluminous and fluttery, the key to contouring, and a neat trick to keeping lipstick on all night. Get all the tips and watch a true artist in action in today's Celebrity Secret Weapon. On Kirbie: H&M blouse. All of Jennifer's red-carpet products can be purchased at Chanel.com.