Heroes hottie Hayden Panettiere takes on the role of protective older sister as she protects brother Jansen, 13, on Thursday night in Los Angeles.
The brother-sister team attended the Halo 3 party at the Level 3 nightclub in Hollywood and then headed to former Saved By The Bell star Mario Lopez‘s birthday party.
Chaperone for the night? Mommy Lesley Vogel.
10+ pictures inside of Hayden and baby brother Jansen…More Here! »
