Vanessa, Donald Trump Jr. Expecting a Boy!

Credit: Dimitrios Kambouris/

Boys rule in the Trump household!

Donald Trump Jr. and his wife Vanessa will welcome a baby boy in October, Us Weekly can exclusively confirm.

"We are so excited by the news since our youngest is a boy and they'll be close in age," they tell Us. "We have no names picked out, and are open to any suggestions!"

PHOTOS: Baby bump hall of fame

The couple, who married in 2005, are already parents to daughter Kai, 4, and son Donald III, 2, who are "very excited" to have a sibling on the way.

"They know there's a baby in my belly and can't wait for it to come out!" the Trumps tell Us. "They're very supportive kids."

The Celebrity Apprentice star's sister, Ivanka, is currently pregnant with her first child, a girl.