He found stardom right at home as the U.S. Open champion.
Social media was abuzz in February when the 35-year-old singer, whose full name is Beyoncé Giselle Knowles-Carter, posted a photo of herself wearing a long veil and lingerie and caressing a noticeable baby bump.
Koepka, who finished at 16-under 272, became the seventh straight first-time victor of a major championship, and it was the first time since 1998-2000 that Americans won their national championship three straight years. As Brian Harman began to fade, Koepka poured it on with birdies over the next three holes, lightly pumping his fist after each one.
Tommy Fleetwood, who played alongside Koepka and closed with a 72 to finish fourth, played the Challenge Tour a year before Koepka arrived.
TMZ said its sources reported that Beyonce gave birth to a boy and a girl on Monday and all three remained in a Los Angeles hospital because of a "minor issue". "Obviously, Brooks dealt with it amazingly. Now he's done it in a major".
It was only fitting that Koepka left Erin Hills with yet another record matched or broken. He matched Rory McIlroy's U.S. Open record by finishing at 16 under. But the low scoring went much deeper than that. McIlroy and Tiger Woods (12 under at Pebble Beach in 2000) had been the only players to finish there. Spieth made birdies on the first two holes, both of which are playing downwind.
The week ended with 31 players under par, breaking the U.S. Open record of 28 players at Medinah in 1990. The strongest gusts were Sunday morning and it tapered to a strong breeze by the afternoon.
"Bey and Jay are thrilled and have started sharing the news with their family and closest friends", one unidentified source told PEOPLE.
He closed with a 5-under 67, only realizing after his par on the final hole that a birdie would have set yet another U.S. Open record in a week filled with them. Of all his birdies, that 8-foot par putt might have been as big as any.
"To go over there, I think it helped me grow up a little bit and really figure out that, hey, play golf, get it done, and then you can really take this somewhere", he said.