Fashion Roundup: Proenza Schouler Launches Handbag Line; Matthew Williamson for H&M; Whitney Port Has a New Blog

The boys of Proenza Schouler are launching their first bag collection in December, named PS1 after the New York City public school system. [Vogue UK]

H&M has teamed with up with Matthew Williamson for its latest designer collection, which will arrive in stores in April. [WWD] 

Alice & Olivia designer Stacey Bendet Eisner gave birth yesterday to a baby girl named Eloise Breckenridge Eisner. [P6] 

Designer cameos on popular television shows like Gossip Girl, Stylista, and even Law & Order are on the rise. [WWD]

Diane von Furstenberg staffer and The City star, Whitney Port, has launched a blog where she talks about her clothing line, Whitney Eve, and her recent purchases. [Whitney Port via Racked]