The Big Bang Theory's Mayim Bialik is one of the celebrities taking part in the sixth Lindt Gold Bunny Celebrity Auction in support of Autism Speaks. The charity event is auctioning off porcelain versions of Lindt's iconic gold bunny featuring the autographs of celebrities from the entertainment, food, sport and music industries. More than sixty actors, athletes, supermodels, chefs, singers and other noted personalities have lent their signature to the cause. The auction is open from today until March 20 at LindtGOLDBUNNYAuction.com

All proceeds from the auction are donated directly to Autism Speaks to help the charity support individuals with autism and their families. Examples of the charity's work includes providing educational toolkits for newly diagnosed families, grants for community programs, and scholarship funding to educational institutions.

Visit LindtGOLDBBUNNYAuction.com to bid for Mayim's autographed bunny and learn more about the auction