Hayden Panettiere was photographed cheering at the Wladimir Klitschko vs. Samuel Peter Fight in Frankfurt, Germany yesterday. Hayden's dad also supported the fight.

The former Heroes hottie just turned legal last month and celebrated her 21st birthday.

Next up for Hayden is Alpha and Omega, an animated comedy, directed by Anthony Bell and Ben Gluck, about a mismatched pair of wolves who are thrown together in the wild. With the voices of Justin Long and Hayden Panettiere. Opening in the UK October 20th.