Alina Cho's exclusive interview with Marc Jacobs on his career, New York Fashion Week

It's Fashion Week in New York City, and you know what that means: Fashionistas everywhere clamoring to get a peek at the latest spring 2012 trends walking the runway.

The fashion world has a reputation for being fickle, but there's one American designer who has dominated the scene for nearly two decades - and things are only looking up from here.

CNN's Alina Cho sits down with fashion legend Marc Jacobs for a rare, exclusive interview. See the entire interview here.