Chmerkovskiy couldn't help but gush about his son in a post the next week.
"It's been one week plus one day of my fatherhood and I'm the happiest person that's ever lived. I'm also feeling very protective and now understand what every parent in history have been going through for as long as humans have been giving birth," he wrote.
Murgatroyd shared a post-baby photo and a body-positive message with fans in mid-January.
FOLLOW REALITY TV WORLD ON THE ALL-NEW GOOGLE NEWS!
Reality TV World is now available on the all-new Google News app and website. Click here to visit our Google News page, and then click FOLLOW to add us as a news source!
She posted the "real life" picture to combat the idea that "a woman should shrink right back to her pre-birth weight immediately."
"The female body is incredible and resilient, but healing and strengthening take time. Now it's time for patience and hard work. Lots of love to all the new mamas out there on the journey," she said.
Copyright 2017 United Press International, Inc. (UPI). Any reproduction, republication, redistribution and/or modification of any UPI content is expressly prohibited without UPI's prior written consent.