Donald Trump Jr, wife Vanessa expecting fourth child

Donald Trump Jr and his wife Vanessa Trump are expecting their fourth child.

The Celebrity Apprentice star took to Twitter on Wednesday (May 2) to share the happy news with his fans and friends.

"Well, Vanessa & I have some good news. We are expecting baby num 4 in the fall," Trump tweeted.

Vanessa's pregnancy comes just six months after she gave birth to the couple's newborn son Tristan Milos.

They are also parents to 4-year-old Kai and 3-year-old Donald lll.

Donald Jr stars with father Donald Trump and sister Ivanka Trump on The Celebrity Apprentice, airing Sunday at 9/8c on NBC.