Beyonce, Lisa Marie Presley, Whitney Houston and Celine Dion have been added to the lineup of VH1's Divas Duets, airing May 22... The theme of tonight's American Idol is the '60s, and the guest judge is singer/songwriter Neil Sedaka... Aidan Quinn and Six Feet Under star Rachel Griffiths will headline the upcoming CBS/Hallmark Hall of Fame telepic Plainsong, based on the Kent Haruf novel set in the Colorado Rockies... Scottish-born actor Gerard Butler has been offered the title role in Joel Schumacher and Andrew Lloyd Webber's big-screen adaptation of Phantom of the Opera, according to The Hollywood Reporter.