Released in November to only a select group of people, the annual Pirelli calendar is a who's who of the fashion industry. Always shot and styled by a legendary team -- Steven Meisel and Carine Roitfeld were a part of this year's line up -- the calendar marks a model's career. The 2015 chosen ones include Adriana Lima, Isabeli Fontana, Candice Huffine, Joan Smalls, Carolyn Murphy, Karen Elson, Raquel Zimmerman, Natalia Vodianova, Cameron Russell, Sasha Luss, Anna Ewers and new fashion world darling and2014 Paper Beautiful Person, Gigi Hadid. Catch a sneak peek behind the scenes below.

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