Young Hollywood Fights AIDS

To mark this year’s World AIDS Day, which is today, a veritable Who’s Who of Young Hollywood has combined their voices for a new PSA campaign called “Coming Together as ONE.”

The goal is to mobilize young people in the fight against poverty, TB, malaria, and, natch, HIV/AIDS.

Look – there’s New Moon hottie Kellan Lutz and Ashley Greene and Nikki Reed. And Leighton Meester. And Jessica Szohr and Ed Westwick. And FlashForward’s John Cho: