Hayden Leslie Panettiere (; born August 21, 1989) is an American actress, model, singer, and activist. She is known for her roles as cheerleader Claire Bennet on the NBC sci-fi series Heroes (2006–10), Juliette Barnes in the ABC/CMT musical-drama series Nashville (2012–present) and Kairi in the video game series Kingdom Hearts.
A native of New York, she first appeared in a commercial at the age of 11 months. She began her acting career by playing Sarah Roberts on One Life to Live (1994–97), and Lizzie Spaulding on Guiding Light (1996–2000), before starring at age 10 as Sheryl Yoast in the Disney feature film Remember the Titans. Other notable roles include her portrayal of the title character in the true crime drama Amanda Knox: Murder on Trial in Italy and Kirby Reed in the slasher film Scream 4. She received two nominations for the Golden Globe Award for Best Supporting Actress – Series, Miniseries or Television Film, for her work on Nashville in 2012 and 2013.