When New York hosts the Mercedes-Benz Fashion Week, the semiannual event that spruces up the city, the stars show up in style to model, design, debut new styles, or just sit back and enjoy the festivities. Kirstie Alley, 60, modeled the detailed royal blue number above, designed by Zang Toi, while Project Runway's Milan Breton took a bow after debuting his 2012 collection, and musician / singer / designer Avril Lavigne showed her new line, Abbey Dawn.

Check out Uinterview's coverage of fashion week here.