Adelson, president of dick clark productions. The show featured a record 19 performances, most notably Alicia Keyes' performance of "Superwoman" with surprise guests Queen Latifah and star Kathleen Battle and a special collaboration by P!nk and Sarah McLachlan of the hit song "Angel." Other highlights included an opening 7-minute medley of Christina Aguilera's greatest hits as well as show-stopping performances by Beyonce, Coldplay, Jonas Brothers, Kanye West, Mariah Carey, Rihanna, Miley ...