Fox News Sunday host Chris Wallace, along with radio talk show host Mike Gallagher, issued a public apology to Kelly Clarkson after they received backlash for body-shaming the 32-year-old singer.

The two had made comments about the singer's weight on Gallagher's radio show Friday, with Wallace saying that Clarkson "could stay off the deep-dish pizza for awhile."

Gallagher joined in, remarking, "Holy cow, did she blow up", regarding her post-baby body after giving birth to her now nine-month-old, while also making fun of his own weight.

"I sincerely apologize to Kelly Clarkson for my offensive comment," Wallace said in a statement to E! News Sunday. "I admire her remarkable talent and that should have been the focus of any discussion about her."

Gallagher also apologized, posting on his website, "Tubby Mike is the last person in the world who should bring up anyone's weight. I couldn't possibly feel any worse than I do for making an observation that led to the conclusion that I 'fat-shamed' this talented and classy entertainer. It was a really stupid thing for me to do."

Wallace's fellow Fox News host Greta Van Sustern made a post on her website scolding Wallace and Gallagher for their "obnoxious" "guy snickering" and called on Wallace to apologize, which was followed by similar sentiments online.

Clarkson has yet to publicly respond.

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