Hayden Panettiere and her friends at the Whaleman Foundation held a charity benefit Monday night.

The event was in honor of a cause close to Hayden's heart: saving endandered whales. Here are a couple pictures of Panettiere at the benefit, which was hosted in Hollywood:

Not pictured, but also attending the event, were Heroes castmates Sendhil Ramamurthy, Dania Ramirez and Milo Ventimiglia.