SAN FRANCISCO--(BUSINESS WIRE)--Pottery Barn, a portfolio brand of Williams-Sonoma, Inc. (NYSE: WSM), the world’s largest digital-first, design-led and sustainable home retailer, announced today a new home collaboration with globally renowned fashion brand and designer, Cynthia Rowley. The new Cynthia Rowley for Pottery Barn collection combines Rowley’s iconic feminine and vibrant designs with Pottery Barn’s signature craftsmanship to create a colorful assortment of decorative, tabletop and ent