What Will Become of K-Stew? Now that Nicolas Ghequière has departed Balenciaga, what will become of the brand’s first celebrity face, Kristen Stewart? Grazia points out that K-Stew hasn’t worn a Balenciaga look on the red carpet since November 3, just two days before Ghequière announced he was leaving. And though Stewart’s brooding aesthetic might find a home in new creative director Alexander Wang’s street preferences, there’s no word if he’ll keep her on the campaign. [Grazia UK] 

CR Flies off Shelves: Call it a hit. All 50,000 issues of Carine Roitfeld’s CR Fashion Book have sold out at newsstands, prompting the title’s publisher, Fashion Media Group LLC, to print an additional 15,000 copies for the holiday season. [The Cut] 

Playboy’s New Sexy Leaf: Playboy’s back on the move to becoming an arbiter of everything cool and sexy. The magazine (which doubles as a clothing and lifestyle brand) has just tapped up-and-coming New York label Cushnie et Ochs to design a limited-edition “harness-like leather bra” that will sell on Playboy’s site for $695. Playboy is currently undergoing a massive rebranding scheme and has tapped the creator of Milk Studios’ fashion week, Jenne Lombardo, to help with the process. [WWD] 

Rihanna Is Styling to Rock: The first look from Rihanna’s collaboration with River Island just emerged on Instagram. The singer stepped out in a navy suede jumpsuit of her design, just before shooting the collection’s ad campaign with models Jourdan Dunn and Bambi Northwood-Blyth. The collaboration will be released this spring. Riri's also busy gearing up to produce and star in Styled To Rock, a reality competition series for Style that has been picked up for 10 half-hour segments to premiere in 2013. 12 designers will have the opportunity to design clothing for celebrities and A list talent. Contestants will then be whittled down until there is ultimately one winner – chosen by Rihanna. “Fashion has always played an integral part in my life and career,” said Rihanna. “I am so excited to partner with Style Network and share my creative insight with these 12 designers and give them this opportunity to showcase their work.” [ELLE UK, Deadline]