A Disney Channel spokesperson tells MTV News that some of pop and R&B’s biggest stars, including Ashanti, Alicia Keys and Solange Knowles, will take part in the animated series ‘The Proud Family’. Solange performs the show’s theme song along with her Destiny’s Child sister Beyonce Knowles. She’ll also appear on the episode airing December 13th. The Keys and Ashanti episodes will air sometime next year. Read more.