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.
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 20.
She has one younger brother, fellow actor Jansen Panettiere.
She landed a role as Sarah Roberts on the ABC soap opera One Life to Live from 1994 to 1997, which was followed by Lizzie Spaulding on the CBS soap opera Guiding Light in 1996, and again from 1997 to 2000.
Milo, 32, previously dated his bad show's co-star Hayden Panettiere.
Hayden has since been linked to Steve Jones, Harry Morton and Kevin Connolly.
She waves and grins broadly before settling into an armchair and seizing the cocktail menu.Milo Ventimiglia and Jaimie Alexander have supposedly coupled up, according to reports.They sure would make a cute couple if the rumors are true!Panettiere was a millionaire before she was out of her teens, thanks in part to her award-winning role as Claire Bennet, a cheerleader with healing powers in the sci-fi series Heroes.But Panettiere appears to have pulled off the notoriously tricky transition from child and teenage stardom to serious adult acting with aplomb.
Maybe that's why so many TV stars date their coworkers.