Paulina Gretzky
Golfer Dustin Johnson's girlfriend Paulina Gretzky looks on at the eighteenth green during the final round at the Canadian Open golf tournament at the Glen Abbey Golf Club in Oakville July 28, 2013. Reuters

Paulina Gretzky is pregnant. Wayne Gretzky’s daughter took to Instagram Tuesday to announce that she and her fiancé, professional golfer Dustin Johnson, are expecting their first child.

“[Dustin Johnson] & I are so excited to finally share with you all our amazing news..we’re having a baby!!” Gretzky wrote on Instagram. She included a photo of her growing baby bump, but did not provide any additional details.

Gretzky and Johnson began dating in 2011, purportedly after being set up by her mother, Janet. They got engaged in late 2013 and planned to marry in the fall of 2014, but Gretzky told Golf Digest that their respective busy schedules had postponed the wedding.

Johnson, 30, is an eight-time winner on the PGA Tour. He announced on July 31 that he would take a leave of absence from professional golf to "seek professional help for personal challenges." However, a subsequent Golf.com report claimed PGA Tour officials had suspended Johnson after he tested positive for cocaine during a drug test -- an accusation that officials later denied. The failed test was reportedly the third of Johnson's career. In addition, sources told the website that he engaged in a "sexual indiscretion" with the wife of at least one other PGA Tour player.

NHL legend Wayne Gretzky, Paulina's father, told Johnson he would cancel the wedding if he did not clean up his bad behavior, sources familiar with the situation told Fox411 in August. But Wayne Gretzky expressed support for his future son-in-law during a recent interview with a Canadian radio station.

“Obviously life isn’t perfect and [Johnson] went through a tough time, and, as he said to me, ‘It’s going to make me a better person, and through that it’s going to make me a better athlete and better golfer,’" he told Sportsnet 590 The Fan, according to the Winnipeg Sun. “In life, unfortunately, sometimes we forget that even athletes are human and there’s bumps in the road, and most importantly he’s a wonderful person with a good heart and we care about him.”

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