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, Hélène Rochas, has died. Her husband, Marcel, founded the house in 1925, and after his death in 1955, she took over the business and served as inspiration for Olivier Theyskens during his time as creative director there. [Gazia Daily]