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Earlier today Demi Moore was on hand to announce the Cartier’s new partnership with ServiceNation, and this evening she hit the red carpet to celebrate Cartier’s 100th Anniversary in America. This is being celebrated by an exhibit of Cartier: 100 Years of Passion and Free Spirit in America. The exhibition at the flagship store (now a historic landmark) in New York City features 100 unique Cartier creations including many from private collections. The exhibit will be on view through May 21, after which it will move to the Beverly Hills Cartier from June 1-14.

Bernard Fornas, president and CEO of Cartier International, and Frederic de Narp, president and CEO of Cartier North America, will be present at the party along with a galaxy of stars including Jessica Biel, Anne Hathaway, Sir Elton John, Demi Moore, Kate Hudson, Patti Smith, Martha Stewart and Justin Timberlake. But the guest of honor is famed photographer Bruce Weber, who will launch his new book, Cartier I Love You: Celebrating 100 Years of Cartier in America. It will be available at bookstores in June, with a portion of the $95 price going to charity.

Gallery Info: Demi Moore, Kate Hudson, Zac Posen, Eva Mendes, Anne Hathaway, Elton John, Rachel Weisz, Justin Timberlake, Patti Smith, Martha Stewart, Julie Henderson, Russell Simmons and Graydon Carter at the Cartier 100th Anniversary in America Celebration.