Heroes hottie Hayden Panettiere and her boxer beau Wladimir Klitschko stepped out tonight (January 30) to attend the ‘Best of Musical Gala 2010′ at the Color Line Arena in Hamburg, Germany. Hayden looked stunning in a blue and gold dress, while she showed off her new brunette hair. Pictures: Getty

I Love you Beth Cooper babe Hayden Panettiere checked out the New York premiere of the new movie Temple Grandin last night (January 26). Hayden looked lovely in a pretty lilac dress with a cream colored clutch. Pictures: Wireimage

I Love You Beth Cooper actress Hayden Panettiere escaped to the warm beaches in Miami, Florida on Thursday afternoon (December 31) where she planned to spend to welcome the New Year! Hayden was seen strolling around on the beach in a hot pink bikini, with a cute white cover up. Pictures: Fame

Heroes hottie Hayden Panettiere was all smiles last night as she spent some quality Christmas time with father Alan. Hayden and her dad hit up the Lakers game in Los Angeles, where the team played the Cleavland Cavaliers. Hayden even decked out in her purple, white, and gold colors to support the team! Pictures: Wireimage

Heroes hottie Hayden Panettiere was spotted keeping warm in a big brown coat Saturday afternoon (December 5) as she left the Urth Cafe in California. Hayden smiled for the cameras as she made her way to her car. Wenn

In this new PSA Against poverty, stars such as Corbin Bleu, Nikki Reed, Ashley Greene, Kellan Lutz, Hayden Panettiere, Leighton Meester, Jessica Szohr, and Ed Westwick all encourage you to make a difference in the world. One.Org

Neutrogena spokes girls Vanessa Hudgens, Emma Roberts, and Hayden Panettiere all get their goof on as they mess up while filming commercials for the skin care brand. Check out their outtakes!