How does Angelina Jolie do it all ?

Angelina Jolie has taken her sons to feed killer whales.The 'Tomb Raider' star took Pax Thien, three, and Maddox, five, to Marine land in Antibes, while in France for the Cannes Film Festival.But while Pax jumped at the opportunity, Maddox stayed behind a wall as his mother and younger brother fed fish to the ocean predators.The trip came just days before Angelina and her partner Brad Pitt celebrated their daughter Shiloh's first birthday. Shiloh, her brothers and two-year-old adopted sister Zahara were treated to cookies and cake and were allowed to play with over 50 different colored balloons.The celebration took place in Prague, where Angelina is currently filming new thriller 'Wanted'. Earlier this week, it was reported that Angelina and Brad are planning to marry in a lavish secret ceremony later this year.The actress was previously married to actors Jonny Lee Miller and Billy Bob Thornton, while Brad was wed to Jennifer Aniston.