This year, you can have yourself a merry little Gaga Christmas. The pop star and Barneys are collaborating on a “multifaceted holiday campaign” that will include Gaga’s Workshop, filled with limited-edition

gifts, like lipsticks in Gaga hues, jewelry made of rock candy, and lip-shaped dark chocolate. [WWD]The Christian Louboutin and Yves Saint Laurent red shoe battle continues. After the judge denied Louboutin’s request to stop the sales of YSL’s red-soled shoes last week, the designer says he plans to “fight like hell” against YSL’s attempt to overturn Louboutin’s red sole trademark. [Vogue U.K.]Get your tickets now! Today, tickets for Ocean’s Kingdom, a ballet composed by Sir Paul McCartney and choreographed by the New York City Ballet’s Peter Martins, go on sale. Did we mention Stella McCartney designed the costumes? [Elle]The former CEO of the house of Rochas, H