Hayden Panettiere rocked the red carpet yesterday with her new short hairdo and a short dress at the 2010 World Music Awards in Monte Carlo. The black and white frock with an amoeba-like pattern hugged the actress in all the right places.

Hayden looked happy despite news this week that her NBC series "Heroes" was canceled. The series won over audiences and garnered critical acclaim upon its launch in 2006, but it fell in the ratings over its four seasons. However, "Heroes" bosses are allegedly in negotiations to end the show with a short mini-series or movie.

"Heroes" isn't the only series to get axed. High-profile TV shows such as medical comedy "Scrubs" and long-running cop show "Law & Order" were also canceled this week.

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