Chrissy Teigen, co-host of “Lip Sync Battle” is among many who have defended Kristin Cavallari, who was chastised last week by some social media users who claimed Cavallari’s sons with Bears quarterback Jay Cutler look too thin.

After sharing a photo of her family, which includes sons Camden, 3, and Jaxon, 2, Kristin was harassed relentlessly, and was accused of “starving” them owing to their frail bodies.

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“I will never know why parents criticize others so harshly, knowing they’d go insane if they were on the receiving end ALLTHETIME,” the 30-year-old model, who is married to John Legend and also has a 2-month-old daughter Luna, tweeted on Tuesday.

“NO parent out there thinks they’re perfect. I loathe these s—thead commenters. Who would want to make someone feel horrible for fun?”

“Anyway, love you @KristinCav and screw everyone’s bored a**!” the Lip Sync Battle co-host concluded, with a particular reference to Kristin.

“Lol thx girl love u and ur little girl is adorable,” Cavallari, 29, responded, delighted for the support.

The photo in question shows Kristin’s kids, dressed in identical navy and white striped swim trunks, wading in the water on the beach while their NFL star father and Cavallari’s husband, Jay Cutler, stands nearby.

“Even though we’re not in the states, were still celebrating,” the former MTV personality, who is also mom to daughter Saylor, 7 months, captioned the pic. “Hope everyone has a fun and safe 4th! #MyGuys.”

Some of her 2.2 million followers brutally harassed the mother-of-three, who also has seven-month-old daughter Saylor with husband Jay.

Cavallari, a reality star turned shoe designer, jokingly said this week that she starves her children in response to the criticism.

“Yep, I starve my children,” the mother of three commented sarcastically on her own post. “Just blocked the most people I’ve ever blocked in my entire life. Happy 4th hahaha.”

Teigen, of course, has faced plenty of social media criticism since giving birth to her daughter, Luna, in April. After being chastised for going out on a date night with her husband, John Legend, to The Nice Guy in West Hollywood, California, barely two weeks after giving baby, Legend rushed to Twitter to defend his wife.

In May, Legend, 37, tweeted, “Funny there’s no dad-shaming. When both of us go out to dinner, shame both of us so Chrissy doesn’t have to take it all. We’ll split it.”