Jodi Benson (voice of Ariel the mermaid!) has revealed in an interview while promoting Little Mermaid: Ariel's Beginning (the DVD comes out August 26), that she will be voicing Barbie in Disney/Pixar's Toy Story 3 along with Michael Keaton who will lend the voice of Ken, according to IESB.net.
The pair join voice cast members Tom Hanks, Tim Allen, Joan Cusack, Don Rickles, Wallace Shawn, Estelle Harris, John Ratzenberger and Ned Beatty. The story picks up when Buzz Lightyear is recalled to Taiwan after a series of malfunctions. Learning of a productwide recall, all the toys in Andy's room, under Woody's leadership, head to Taiwan to save Buzz from doom. Toy Story 3 will hit theaters June 18, 2010.