The Most Popular Celebrities on Facebook

Demi Moore has nearly a million and a half fans on Facebook, but her Twitter has nearly twice that many followers.

Actress Demi Moore arrives to the premiere of Lionsgate's "Killers" held at ArcLight Cinema's Cinerama Dome on June 1, 2010 in Hollywood, California.

(May 31, 2010 - Photo by Alberto E. Rodriguez/Getty Images North America)