The Trump family is getting bigger

Donald Trump Jr and Vanessa © Sara Jaye Weiss/Startraks

Donald Trump is going to be a grandpa again! Donald Trump Jr and wife Vanessa are expecting a fourth child. Donald Jr. tweeted, "Well, Vanessa & I have some good news we are expecting baby num 4 in the fall!!! Kai, Donnie, & Tristan can't wait!"

Donald Jr and Vanessa were married in 2005. They are already parents to daughter Kai Madison, 5 next week, and sons Donnie John III, 3, and Tristan Milos, 7 months.

Ivanka Trump experiences separation anxiety

Ivanka Trump and Arabella Rose © Swarbrick/Donnelly/INF

Ivanka was separated from her newborn daughter Arabella Rose for a couple of hours last Monday. Ivanka tweeted Monday evening, "Ventured into the office for a few hours today, but raced home to see Arabella this evening. I'm already experiencing separation anxiety!"

Ivanka, 29, and her husband New York Observer owner Jared Kushner became first time parents July 17th. Ivanka had previously tweeted, that she's had the "best" time playing with Arabella and "enjoying a mellow night at home with my husband and baby."

Ivanka's dad, Donald Trump, told People Magazine, "They're going to be a great family. The baby looks like Ivanka. She has a beautiful face, just like her. I'm very happy and very proud of my daughter and her husband."

Donald Trump reveals his granddaughter's name

Jared Kushner and a pregnant Ivanka Trump in July 2011 © Jim Spellman/WireImage

Sunday morning, July 17th, Ivanka Trump and Jared Kushner welcomed a little girl into their family. Ivanka tweeted, "This morning @jaredkushner and I welcomed a beautiful and healthy little baby girl into the world. We feel incredibly grateful & blessed. Thank you all for your support and well wishes!" Ivanka, 29, gave birth to their daughter in New York City.

Ivanka and Donald Trump

The name of their little baby girl wasn't known until Monday morning, when Donald Trump revealed it n Fox and Friends. He said, "I just left the hospital and the baby is beautiful," he added, "Arabella Rose is the baby’s name — I just found that out by the way."

A little while later Ivanka took to twitter again and shared, "Jared and I are having so much fun playing with our daughter! Arabella Rose is beyond adorable. She's truly a blessing."

Congrats to the happy family, and what a lovely name!