'Bring It On: All or Nothing' (2007)

Hayden Panettiere: Then & Now

Hayden whips out her pom poms again when she stars in "Bring It On: All or Nothing" as - what else? - a cheerleader. - Xfinity Entertainment Programmers

(Photo: Universal)

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Hayden Panettier... Two, four, six, eight, who do we appreciate? Mostly known for playing the popular, pretty girl, Hayden Panettiere has made headlines with her role as the invincible cheerleader Claire on the NBC series "Heroes." Click through to check out some of her other roles. - Xfinity Entertainment Programmers

(Photos: Jason Kirk, Frazer Harrison, Andrew H. Walker/Getty)

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Hayden Panettier... Hayden caught the public's eye when she portrayed feisty tomboy Sheryl Yoast in "Remember the Titans." Previously, she played characters on soaps "One Life to Live" and "Guiding Light," for which she was nominated for a YoungStar award. - Xfinity Entertainment Programmers

(Photo by George DeSota/Newsmakers)

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'Joe Somebody' (... In 2001, Hayden played the daughter of Joe, an average guy who is beat up by a co-worker on "Bring Your Child To Work Day." - Xfinity Entertainment Programmers

(Photo: 20th Century Fox)

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'Joe' Premiere She joined the cast of "Joe Somebody" in the Westwood Village of Los Angeles. - Xfinity Entertainment Programmers

(AP Photo/Kevork Djansezian)

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'Ally McBeal' (2... Hayden played Ally McBeal's biological daughter, Maddie. - Xfinity Entertainment Programmers

(Photo: Fox)

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'The Dust Factor... Ryan Kelley and Hayden Panettiere in "The Dust Factory." - Xfinity Entertainment Programmers

(Photo: MGM)

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'Raising Helen' ... In 2004, Hayden played Audrey Davis who, when her parents are killed in a car accident, is sent with her two siblings to live with her aunt Helen, played by Kate Hudson. - Xfinity Entertainment Programmers

(Photo: Touchstone)

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Pretty in Pink Hayden was pretty in pink at the "Raising Helen" premiere in Los Angeles. - Xfinity Entertainment Programmers

(AP Photo/ Nam Y. Huh)

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'Tiger Cruise' (... Hayden joined the cast and crew of her next movie, "Tiger Stripes," on board the U.S.S. Intrepid, Sea Air-Space Museum in New York City. - Xfinity Entertainment Programmers

(Photo by Paul Hawthorne/Getty Images)

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'Racing Stripes'... Next, Hayden played Channing Walsh, a girl who helps an abandoned zebra achieve his dream of racing with thoroughbreds in "Racing Stripes." - Xfinity Entertainment Programmers

(Photo: Warner Brothers)

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‘Stripes’ Soiree Hayden posed with co-stars Frankie Muniz and Jesse McCartney at the after party for the premiere of "Racing Stripes." - Xfinity Entertainment Programmers

(Photo by Kevin Winter/Getty Images)

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'The Ice Princes... She played mean ice skater Gen Harwood who later befriends up-and-coming talented Casey Carlyle, played by Michelle Trachtenberg. - Xfinity Entertainment Programmers

(Photo: Walt Disney Films)

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Adoring Fans She happily signed autographs at the Walt Disney premiere of "The Ice Princess" at the El Capitan Theatre. - Xfinity Entertainment Programmers

(Photo by Frazer Harrison/Getty Images)

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'Princess' Party Hayden skated with guests at the Walt Disney picture's "The Ice Princess" after party. - Xfinity Entertainment Programmers

(Photo by Frazer Harrison/Getty Images)

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First Love In 2006, it was reported that Hayden was dating Stephen Colletti of “Laguna Beach” fame. The couple later broke it off in September 2007. - Xfinity Entertainment Programmers

(AP Photo/Jeff Christensen)

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'Heroes' (2006-2... Save the Cheerleader, Save the World. On "Heroes," her most known role to date, Hayden played a cheerleader with a very special power - rapid cellular regeneration (basically, she can't die.) The show has earned her numerous awards, such as two Teen Choice Awards and a Young Artist Award. - Xfinity Entertainment Programmers

(Photo: NBC)

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Co-Starring Coup... Rumors surfaced in December of 2007 that Hayden was dating her “Heroes” co-star Milo Ventimiglia. She quickly denied these reports in an interview with GQ, but reports continued through the early part of 2008. Finally, in April of 2008, Ventimiglia confirmed that he was indeed dating Panettiere. Unfortunately for “Heroes” fans, they ended their relationship in February 2009. - Xfinity Entertainment Programmers

(Mark Davis/Getty Images Entertainment)

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
'Bring It On: Al... Hayden whips out her pom poms again when she stars in "Bring It On: All or Nothing" as - what else? - a cheerleader. - Xfinity Entertainment Programmers

(Photo: Universal)

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
MTV Movie Awards Big Pak joined Hayden to present the Orbit WTF award onstage during the 18th Annual MTV Movie Awards in 2009. - Xfinity Entertainment Programmers

(Photo by Kevin Winter/Getty Images)

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'I Love You, Bet... Hayden starred in "I Love You, Beth Cooper," a movie about a boy who announces in his high school graduation speech he loves Hayden's character. - Xfinity Entertainment Programmers

(Photo: 20th Century Fox)

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New Romance Hayden took some time off from acting in 2010 to focus on her relationship with heavyweight boxer Wladimir Klitschko. Sadly, she confirmed on May 12, 2011 that she and Klitschko called it quits. - Xfinity Entertainment Programmers

(AP Photo/Starpix, Davre Allocca)

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‘Amanda Knox: Mu... Hayden’s next big role came in 2011 in the TV movie “Amanda Knox: Murder on Trial in Italy.” The story, which is based on true events, followed Hayden as Knox, an American accused of killing her roommate while living abroad in Italy. - Xfinity Entertainment Programmers

(Photo: Craig Anderson Productions)

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‘Hoodwinked Too!... Hayden’s next role is behind the camera as the voice of Little Red Riding Hood in the animated film “Hoodwinked Too! Hood VS. Evil.” She replaced Anne Hathaway for this sequel. - Xfinity Entertainment Programmers

(Photo: The Weinstein Company)

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Little Women, Bi... Hayden tends to date really tall men. Click here to see other Hollywood couples who don’t match in height.