Fashion news: Marni sweets, champagne Louboutins and the Olsenboye parade

It was only a matter of time before Christian Louboutin’s shoe designs got delicate enough for a princess—Cinderella to be exact. Louboutin teamed up with champagne company Piper-Heidsieck to design a glass slipper that will be sold in the Le Rituel gift set along with a bottle of bubbly. [WSJ]

For shoe fanatics, Salvatore Ferragamo is launching an online store to make luxury shopping that much easier. A site dedicated to the company’s museum will also be available shortly at [WWD]

The street marketing for the Olsen’s JCPenney line Olsenboye is in full force in New York City. Trucks trotting freebies like cupcakes, balloons, and pins in hopes of swaying customers to purchase a selection of merch from the new line will be rolling around the city today. [The Cut]

With the world following the first lady’s immaculate style, Mary Tomer’s site has become popular enough to be picked up by publishers as a new book. Mrs. O: The Face of Fashion Democracy will also feature interviews with Michael Kors, Maria Pinto and André Leon Talley. [WWD]

Marni is collaborating with Ladurée on a box of sweet treats. The limited-edition macaroons are outfitted in a precious little gold box with a flower brooch tacked on as bonus. The stylish delicacy will go on sale December 1 in Ladurée boutiques. [Vogue]

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