Ivanka Trump attends the 9th annual Style Awards during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 5, 2012 in New York City. (Photo by Astrid Stawiarz/Getty Images for Mercedes-Benz Fashion Week
UNDATED (CNN) -- Donald Trump has another grandchild on the way.
His daughter Ivanka Trump is expecting baby number two. The 31-year-old shared the good news on Twitter Thursday tweeting:
"Jared and I are so excited that Arabella will become a big sister this fall. Thanks for all your good wishes."
Ivanka is married to businessman Jared Kushner. They have a 20-month-old daughter, Arabella Rose.