Amazon is losing an executive in a key area of its e-commerce business: fashion.

Cathy Beaudoin, an eight-year veteran of the company and the person in charge of its fashion vertical, is leaving the e-commerce juggernaut.

“Given the momentum of the business and strength of the team, she’s decided now is the right time to pass the baton,” Amazon said in a statement.

Under Beaudoin’s direction, Amazon (“amzn”) has been trying to push into the fashion world to draw more customers to its already massive marketplace. For example, it acquired fashion sites Shopbop, MyHabit, and East Dane. It also debuted a live, daily show last year dedicated to fashion and beauty called Style Code Live. In 2012, Amazon partnered with Vogue Magazine and the Metropolitan Museum of Art to sponsor the Met’s lavish and star-studded…