Kym Johnson Is ‘Feeling Strong’ as She Shows Off Her 23-Week Baby Bump While Working Out: Twins ‘Are Happy’

Pregnant Kym Johnson Herjavec is amatory her workouts in a gym—and so are her twins!

The Dancing With a Stars pro, 41, gave a maternity refurbish for her fans and supporters on Instagram Thursday, pity a video of her 23-week baby strike while operative out during her dance studio The BOD, located in Beverly Hills.

“Back in a studio with my flourishing belly! (23 weeks),” Johnson Herjavec captioned a footage of her lifting weights and squatting while wearing a black sports bra and grey leggings.

“Feeling strong,” she wrote on her Instagram Story, along with another print that read, “The babies are happy to be behind thebodbykym.”

Back in a studio with my flourishing belly! (23 weeks) I’ll be training this Saturday morning 10am so come join me for Dance Fit Latin 💃👊🏻 #dance #fitness #pregnantfitness #23weekspregnant #twins

A post common by Kym Herjavec (@kymherjavec5678) on Jan 4, 2018 during 6:14pm PST

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In December, Kym and husband, Shark Tank star Robert Herjavec told PEOPLE exclusively that they are awaiting dual babies, one day after Johnson Herjavec reliable her pregnancy with a too-cute ultrasound photo featuring one of her unborn children flashing a thumbs-up gesture.

“We waited so prolonged that we motionless to double up!” a integrate said. “We are really beholden for a blessing of twins.”

While Kym is experiencing pregnancy for a initial time, Robert is already a father to 3 children from a prior marriage.

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The parents-to-be and former DWTS partners fell in adore during show rehearsals of a 20th deteriorate in 2015, and continued to date after they were separated in week 8 during sixth place. Kym and Robert wed in summer 2016, observant their “I dos” in front of family and friends (including DWTS alums Joey FatoneLance Bass and Donny Osmond) in Los Angeles.

“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 formerly shared with 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,” pronounced a source of Johnson Herjavec adding, “Kym is feeling great! She will be such a smashing mother.”