(4 of 7) Celebrities and Their Causes When big names and big hearts combine, worthy causes get a glimmer of Hollywood’s spotlight. These celebrities are using their star power to shed light on organizations that make the season a little brighter for those in need. Naomi Watts Having recently returned from Zambia, Watts is named special representative for UNAIDS in New York City on May 15. “Given these stark realities, I could no longer stand on the sidelines... I urge people all over the world to join this effort because I, too, am learning that there is a role for each and every one of us.” www.unaids.org