- Source of Wealth: Film, Television
- Age: 31
- Birth Place: Great Neck, New York, U.S.
- Height: 4′ 10″ (1.47 m)
- Weight: 155 lbs (70 kg)
- Marital Status: N/A
- Full Name: Nicole Margaret Blonsky
- Nationality: United States
- Date of Birth: November 9, 1988
- Ethnicity: N/A
- Occupation: Actress, Singer
- Education: William A. Shine Great Neck South High School
- Children: N/A
She is best known for her role as Tracy Turnblad in the 2007 film Hairspray and as Maggie Baker in the 2008 television movie Queen Sized. She is also known for her main role in the ABC Family original series Huge.