Pregnant Kym Johnson & Robert Herjavec Are ‘So Happy’ for Twins: She’s ‘Wanted to Be a Mom for a Long Time’

Expectant relatives Kym Johnson Herjavec and Robert Herjavec are over a moon that they will shortly be welcoming twins.

“This has been a drum coaster for them a final few years – meeting, descending in love, removing married and now starting a family,” a source tells PEOPLE about a couple’s scarcely three-year romance.

“Kym has wanted to be a mom for a prolonged time. They’re both so happy,” a source adds. (The Shark Tank star, 55, is already a father to 3 children from his prior marriage.)

The integrate suggested to PEOPLE exclusively on Tuesday that they have dual babies on a way, one day after Johnson Herjavec, 41, reliable her pregnancy with a too-cute ultrasound photo featuring one of her unborn children flashing a thumbs-up gesture.

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RELATED: From Dancing with a Stars to Expecting Twins: Robert Herjavec Kym Johnson’s Love Story

In 2015, a former Dancing with a Stars partners fell in adore during show rehearsals of a 20th deteriorate and continued to date after they were separated in week 8 during sixth place.

Then in summer 2016, a pair wed in front of family and friends (including DWTS alums Joey FatoneLance Bass and Donny Osmond) in Los Angeles.

Mr. and Mrs. Herjavec distinguished their first marriage anniversary in July, with Kym teasing PEOPLE Now about wanting children.

“We’re arrange of only enjoying being married during a moment. But who knows!” she said. “It feels like we’ve famous any other forever. It’s been almost three years given we met. He’s only amazing. We’re best friends, and it’s only easy.”

On Thursday, a mother-to-be common a first print of her flourishing baby bump during 18-weeks along. “I’ve popped utterly a bit some-more now,” Johnson Herjavec captioned a counterpart selfie along with a hashtag #nomorewaistline.