Paulina Gretzky and Dustin Johnson Expecting First Baby

See the sweet photo Gretzky posted on Instagram.

ByABC News
September 24, 2014, 10:40 AM
Pro golfer Dustin Johnson and model Paulina Gretzky attend the 2013 American Music Awards Powered by Dodge at Nokia Theatre L.A. Live, Nov. 24, 201, in Los Angeles.
Pro golfer Dustin Johnson and model Paulina Gretzky attend the 2013 American Music Awards Powered by Dodge at Nokia Theatre L.A. Live, Nov. 24, 201, in Los Angeles.
Michael Kovac/AMA2013/Getty Images

— -- The daughter of hockey legend Wayne Gretzky and her pro golfer fiance Dustin Johnson are having a baby.

"@djohnsonpga & i are so excited to finally share with you all our amazing news..we're having a baby!!" Paulina Gretzky, 25, posted Tuesday on Instagram.

She posted the news next to a picture of her cradling the baby bump.

Hockey Legend Gretzky’s Daughter Engaged to Golf Great: See The Ring

Johnson and Gretzky were engaged in August.

She announced the engagement, also on Instagram, with the caption "Never Been Happier."

Johnson, 30, also posted a pic, this time a close-up of Gretzky's hand, huge sparkler and all. "She said yes !!!!!" is all he had to or needed to say.

It's been a big year for Paulina Gretzky, who graced the covers of both Maxim and Golf Digest magazines.