Nikki Blonsky
Nicole Margaret Nikki Blonsky is an American actress, singer, and dancer. She is best known for her role as Tracy Turnblad in the 2007 film Hairspray and as Maggie Baker in the 2008 film Queen Sized. She is also known for her starring role in the ABC Family original series Huge.
Blonsky was born and raised in Great Neck, New York. She is the daughter of Karen , a school aide, and Carl Blonsky, a Jewish municipal worker for the village water pollution control district. She is of Czech and Irish descent on her mothers side. She began singing at age three and started taking vocal lessons at the age of eight. She was raised Roman Catholic.
Source: Wikipedia