Hayden Panettiere
Actress Hayden Panettiere attends HBO's Post 2014 Golden Globe Awards Party held at Circa 55 Restaurant on Jan. 12, 2014, in Los Angeles.
"Nashville"
Hayden Panettiere, portraying new mother Juliette Barnes, left, and Jonathan Jackson, portraying Avery Barkley, appear in a scene from "Nashville," which aired Sept. 30, 2015.
Hayden Panettiere
Actress Hayden Panettiere attends the 66th Annual Primetime Emmy Awards held at Nokia Theatre L.A. Live on Aug. 25, 2014, in Los Angeles.
Hayden Panettiere
Actress Hayden Panettiere attends the NBC Universal's 71st Annual Golden Globe Awards After Party at The Beverly Hilton Hotel on Jan. 12, 2014, in Beverly Hills, California.
Hayden Panettiere and Wladimir Klitschko
Hayden Panettiere and Wladimir Klitschko, a pro boxer, attend the Giorgio Armani show during Milan Menswear Fashion Week Spring Summer 2014 on June 25, 2013 in Milan, Italy.
Hayden Panettiere
Actress Hayden Panettiere attends the "Charles James: Beyond Fashion" Costume Institute Gala at the Metropolitan Museum of Art on May 5, 2014, in New York.
Hayden Panettiere
Actress Hayden Panettiere arrives at the 70th annual Golden Globe Awards held at The Beverly Hilton Hotel on Jan. 13, 2013, in Beverly Hills, California.
Hayden Panettiere
Actresses Connie Britton, left, and Hayden Panettiere speak onstage during the 64th Annual Primetime Emmy Awards at Nokia Theatre L.A. Live on Sept. 23, 2012, in Los Angeles.
Hayden Panettiere
Actress Hayden Panettiere attends the MTV Europe Music Awards 2011 at the Odyssey Arena on Nov. 6, 2011, in Belfast, Northern Ireland.
Hayden Panettiere
Actress Hayden Panettiere poses at the premiere of the sixth season of the HBO series "Entourage" in Los Angeles, July 9, 2009.
Hayden Panettiere
Hayden Panettiere arrives to the 6th Annual Hollywood Style Awards on Oct. 11, 2009, in Los Angeles. The "Heroes" actress was named "Young Hollywood Style Icon.
Hayden Panettiere
Actress and "Save the Whales Again!" campaign spokesperson Hayden Panettiere speaks during a news conference with House Natural Resources Committee Chairman Rep. Nick Rahall, D-W.Va., hidden at left, Tuesday, Jan. 29, 2008, on Capitol Hill in Washington.
Hayden Panettiere
Actress and "Save the Whales Again!" campaign spokesperson Hayden Panettiere speaks during a news conference Tuesday, Jan. 29, 2008, on Capitol Hill in Washington. A vegan and animal rights activist, the actress also has a partnership with the Postal Inspection Service and the National Center For Missing And Exploited Children in a campaign against online predators.
Hayden Panettiere
Panettiere, center, and House Natural Resources Committee Chairman Rep. Nick Rahall, D-W.Va., left, are escorted to a news conference by Capitol Hill police, Tuesday, Jan. 29, 2008, on Capitol Hill in Washington.
Hayden Panettiere
Panettiere looks into a mirror on stage before the nominations announcement for the 65th Annual Golden Globe Awards at a news conference in Beverly Hills, Calif., Thursday morning, Dec. 13, 2007. Born in August of 1989, she has been working since she was 11 months old.
Hayden Panettiere
Panettiere, left, laughs while sitting with "Heroes" co-star Milo Ventimiglia at the NHL hockey game between the St. Louis Blues and the Los Angeles Kings on Saturday, Oct. 6, 2007, in Los Angeles.
Hayden Panettiere
Panettiere arrives for the 59th Primetime Emmy Awards Sunday, Sept. 16, 2007, at the Shrine Auditorium in Los Angeles. Panettiere, a presenter during the show, she has been acting since she was 4, including a stint on the soap opera "The Guiding Light."
Hayden Panettiere
Panettiere arrives at the MTV Video Music Awards at the Palms Hotel and Casino on Sunday, Sept. 9, 2007, in Las Vegas.
Hayden Panettiere
Panettiere arrives at a LIFEbeat benefit concert at the House of Blues in the Mandalay Bay hotel & casino in Las Vegas on Saturday, Sept. 8, 2007. She has appeared in several movies including "Remember the Titans" and "Joe Somebody."
Hayden Panettiere
Panettiere greets a fan at Gen Con Indy, an annual convention for gamers, held in Indianapolis, on Sunday, Aug. 19, 2007. She spoke to young girls who play Bella Sara, a horse-themed trading card game with an online world for girls.
Hayden Panettiere
Panettiere attends the NBC All-Star Party Tuesday, July 17, 2007, in Beverly Hills, California. She was part of the network's effort to promote fall TV shows.
Hayden Panettiere
Panettiere, right, and "Heroes" co-star Masi Oka arrive at the release party for the new "Harry Potter" video game in Playa Vista, California, June 21, 2007.
Hayden Panettiere
Panettiere blows a kiss to the crowd as she walks the runway during General Motors' annual celebrity fashion show at Paramount Studios in Los Angeles, Feb. 20, 2007.