NEW YORK CITY: Justin Timberlake (L) and Trace Ayala walk the runway at the William Rast Fall 2010 Fashion Show during Mercedes-Benz Fashion Week on Feb. 17.
William Rast will launch men's and women's collections for Target that will hit stores in December, according to Women's Wear Daily.
Friends Justin Timberlake and Trace Ayala started their brand in 2005.