Brad Pitt and Angelina Jolie’s Twins Turn 4 — Check Out Knox and Vivienne’s Adorable Moments! (PHOTOS)

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Brangelina in Japan
Hot couple attends 'Moneyball' premiere in style.
Brangie's Brood!
Angelina Jolie takes her kids out and about.
The Jolie-Pitt brood has something to celebrate as twins Knox and Vivienne turn one year older today!

Four years ago, Brad Pitt and Angelina Jolie welcomed their twins to the world in Nice, France. With Knox and Viv, Brangelina’s brood became six — Maddox, 11, Pax, 8, Zahara, 7, Shiloh, 6, in addition to the twins.

But that hasn’t slowed down the Jolie-Pitt gang’s globetrotting lifestyle.

Since birth, Knox and Viv have traveled the world, with trips ranging from England and Italty to Japan and Malta.

All along the way, the twins have been two peas in a pod. “When you look at them, it’s like they were made for each other,” Jolie said of her boy-girl twins in 2008. “They smile at each other, sniff each other, touch each other. It’s just beautiful.”

In honor of Knox and Viv’s July 12th birthday, check out Celebuzz‘s gallery of their all-too-cute moments.

What’s your favorite photo from their four years? Sound off in comments.