Nicole Margaret Blonsky (born November 9, 1988) is an American actress and singer. She portrays Tracy Turnblad, the lead character, in the big-screen remake and adaptation of the musical Hairspray, released on July 20, 2007. She is known professionally as Nikki Blonsky. Blonsky hails from Great Neck, New York. She graduated from Great Neck Village School in June, 2006. She has done local theatre at both levels (youth center) and Great Neck South High School, and beat out thousands of hopefuls for the role in Hairspray.