More secret details of Angelina Jolie's pregnancy have been exposed by a Kung Fu Panda co-star - Dustin Hoffman has revealed the actress is due to give birth to twins on August 19.

Speaking at the Cannes Film Festival, in France on the same day Jack Black - another co-star in the animated movie - accidentally confirmed Jolie is expecting twins, Hoffman has disclosed more information about what has become Hollywood's worst-kept secret. Today show's Natalie Morales reveals in an interview that has yet to be aired, Hoffman told her, "She is due on August 19th."