Hayden Panettiere looks fabulous in a Akika Ogawa jeweled detailed dress with H. Stern jewels and YSL heels as she arrives for the Green Inaugural Ball on Saturday night in Washington, D.C. (January 17).

The 19-year-old Heroes actress participated in the inaugural ball that featured entertainment from musician Wyclef Jean. The Green Inaugural Ball celebrates the grass root efforts made by individuals and organizations across our nation and the world whose actions improve and protect our environment in honor of new President Barack Obama and Vice-President Joe Biden.