Meet Vivienne & Knox Jolie-Pitt

[PHOTOS REMOVED]

They are just 3 weeks old, but twins Knox Léon and Vivienne Marcheline are about to take the world by storm.

In an exclusive interview and photos, Brad Pitt and Angelina Jolie offer PEOPLE an intimate look at their growing family.

“It is chaos, but we are managing it and having a wonderful time,” Jolie tells PEOPLE of daily life at the Château Miraval in Provence, France, where the couple’s four older children – Maddox, 6, Pax, 4, Zahara, 3, and Shiloh, 2 – have been enjoying a summer of outdoor play (hide-and-seek is a favorite) on the château’s sprawling grounds.

Adds Pitt: “[It's] still a cuckoo’s nest.”

Fortunately, they already have some household helpers. “[Shiloh] and Z pick out [the twins'] clothes and help change and hold them,” says Jolie. “It’s sweet – they are little mommies.”

[PHOTOS REMOVED]

UPDATE: Even more pics have leaked to the interwebs. Check them out here…

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