Style.com is saying farewell to Conde Nast and joining Fairchild Fashion Group. [WWD] Christian Siriano Expands Payless Line [WWD] Pop Singer Justin Bieber is launching a Unisex fragrance [WWD] Scarlett Johansson is teaming up with Mango on a handbag line [WWD] Tamara Mellon unveiled Jimmy Choo’s first fragrance called Jimmy Choo [WWD] Coach revamps their…