Brad Pitt has had to become tougher on their children

The Oscar-winning actress raises six children with the actor - Maddox, 10, Pax, eight, Zahara, seven, Shiloh, five, and three-year-old twins Knox and Vivienne - and while she has always been the stricter parent in the past, Brad has now had to be more involved with the discipline.

She said: "I used to be the tougher parent but since the birth of the twins, Brad`s had to play bad cop more often. It also depends on which of the children we are talking about. Brad has always had this incredible bond with Mad, who`s very smart, and Brad loves teaching him about history and art and culture - it`s an amazing thing to watch them together. I think I`m a little closer to the girls, maybe, but he`s always making them laugh. The children are usually very well-behaved though."

Angelina says she and Brad love having a big family and like to spend quality time together before they all go to bed.

She told Britain`s OK! magazine: "Our happiest moments are probably in the evening before the kids go to bed. We often play together in our pyjamas after dinner and it`s like having a party sometimes where we`re all dancing and jumping around and being silly. That`s when you really feel the beauty of having a family. It`s our little world."

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