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Mom-to-be Peta Murgatroyd bared her growing baby bump via Instagram Saturday.

“Gym time #letsgooooo,” the Dancing with the Stars pro, 30, captioned the mirror selfie before her prenatal workout.

On Friday, the mom-to-be shared a workout video on social media.

“I am loving keeping fit whilst I’m pregnant,” she wrote. “I’m 20 weeks and although I could sit on the couch watching TV all day, I have to get up and keep moving! To me it’s imperative for women to have an active pregnancy. It’s better for your well being and it’s great for your baby (within the limits your doctor has given you of course) Everyone will have an opinion about this, and that’s ok, but until I’m too big that I can’t move, I will be doing some sort of exercise each day. Believe me, it’s not easy, I’m not used to this body I have at the moment, and I’m heavier than I have ever been. The parts @maksimc and I laugh about the most, are the fact that I have to roll out of bed (I don’t want to squish the baby, I use my hands to push myself off the couch and he has to boost my butt out of his low car. Ladies, your health is everything and we have to laugh.”

Murgatroyd and Maksim Chmerkovskiy, 36 – both Dancing with the Stars pros – are expecting their first child – a boy – in January.

The couple got engaged in December 2015. The Ukraine native proposed during a performance of Sway at the Olympia Theater in Miami, Florida.

Gym time #letsgooooo ?

A photo posted by Peta Murgatroyd (@petamurgatroyd) on Aug 20, 2016 at 10:59am PDT

I am loving keeping fit whilst I’m pregnant. I’m 20 weeks and although I could sit on the couch watching TV all day, I have to get up and keep moving! To me it’s imperative for women to have an active pregnancy. It’s better for your well being and it’s great for your baby (within the limits your doctor has given you of course) Everyone will have an opinion about this, and that’s ok, but until I’m too big that I can’t move, I will be doing some sort of exercise each day. Believe me, it’s not easy, I’m not used to this body I have at the moment, and I’m heavier than I have ever been. The parts @maksimc and I laugh about the most, are the fact that I have to roll out of bed (I don’t want to squish the baby?), I use my hands to push myself off the couch and he has to boost my butt out of his low car ? Ladies, your health is everything and we have to laugh ? @royalpersonaltraining @shahinsafae A video posted by Peta Murgatroyd (@petamurgatroyd) on Aug 19, 2016 at 4:21pm PDT