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Celebrity-favorite designer Mary Katrantzou teamed up with Longchamp to design a collection featuring her instantly-identifiable prints—and the lineup is available starting today! The collaboration features totes, traveling bags, and makeup pouches for $60 to $378, all emblazoned with her dreamy patterns. See all of the styles in the gallery, and visit colette.fr to pre-order one of your own.

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• Celebrities Wearing Mary Katrantzou!
• Gossip Girl: Serena’s Katrantzou Dress

We love a good celebrity/brand collaboration, especially when it involves one of our favorite style icons. Kate Moss has debuted her second collection for Longchamp in a new series of ads shot for her Fall 2010 line. We’re loving the patchwork top-handle bag Moss is carrying above—the multitude of textures and colors is appealing both visually and in a tactile way. Want to see the whole collection? Longchamp.com already has the purses available for your viewing pleasure (but you won’t be able to purchase them until the fall). Plus, we got our hands on exclusive behind-the-scenes photos of Moss in all of her modeling glory. Click through our gallery to see the rest of Moss’s work and other ads.

How does a fashion icon like Kate Moss translate her enviable style into a collection of handbags for Longchamp? She designs for herself! “I like bags that are comfortable and light. I pack my bags to the brim, so if it’s a heavy bag to start with I can never carry it,” said Moss. But her first order of business was finding a brilliant shade of red:  “I love a dash of color.” And that red looks perfect with her favorite animal print. “It’s goooorgeous,” she said of the limited-edition zebra-style calfskin that’s featured throughout the collection. The Gloucester duffle bags (right) are inspired by vintage trunks and the Glastonbury messenger style features the perfect amount of Moss-approved rock and roll details: braiding, zippers and eyelets.