Forget a line of bellbottoms — Rachel Zoe is expanding her empire with a fashion app. The stylist/reality star/designer has partnered with social gaming company Crowdstar to launch Covet Fashion, a game that allows users to style virtual mannequins with current-season designer duds. But it isn’t just about playing dress-up. Gamers can enter their looks into a styling contest — judged by experts such as Zoe — to win prizes including items straight off the runway. We are practicing our skills right now.