Actor and honoree George Clooney (R) sings along with performer Neil Diamond, as actor Sidney Poitier (L) and Barbara Davis watch, during the 26th Carousel of Hope Ball in Beverly Hills, California October 20, 2012. The event benefits the Barbara Davis Center for Childhood Diabetes.[Photo/Agencies]

Actor and honoree George Clooney (R) sings along with performer Neil Diamond during the 26th Carousel of Hope Ball in Beverly Hills, California October 20, 2012. The event benefits the Barbara Davis Center for Childhood Diabetes.[Photo/Agencies]