They are already the parents to six children, but Pitt has now said that he and Jolie hope their family continues to grow.
"We average about two a year, so I guess we're overdue, aren't we?" he joked to Access Hollywood.

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Jolie also weighed in on having more children with Pitt, saying that being a mother has had an incredible impact on her life.
"If they come our way, we'd be happy to have them all," she declared. "We love children."
Jolie sparked a media sensation at the Academy Awards on Sunday (February 26) when she exposed her right leg in a revealing pose while presenting an award.
Her father Jon Voight has said he loved the pose. A mock Twitter account has also been created for Jolie's right leg.
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