Kate Middleton and Prince William are gearing up for Baby No. 3!

The Duke and Duchess of Cambridge, both 34, “want a third baby soon," a source close to the royal couple recently told Us Weekly. “It would not surprise me if they were pregnant by Christmas.”

royal family getty images

Kate, Charlotte, George and William in March 2016.

"I think they both would have been overwhelmed at the thought of a third child a year ago,” the insider added. “But now it sounds perfect. They've both always wanted a big family."

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Kate and William — who married in a lavish wedding in April 2011 — are already parents to kids Prince George, 3, and Princess Charlotte, 1. Looks like the world will be on royal baby bump watch yet again in the coming months — can't wait!

Click through the gallery below to see George and Charlotte’s cutest photos!