Chris Wallace, host of "Fox News Sunday," and radio-show host Mike Gallagher each have publicly apologized following a backlash over their comments Friday poking fun at singer Kelly Clarkson's weight.

"I sincerely apologize to Kelly Clarkson for my offensive comment," Wallace, 67, said in a statement Sunday. "I admire her remarkable talent and that should have been the focus of any discussion about her."

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Gallagher, 54, on whose radio show the offensive comments were made, posted on his website Saturday, "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."

As of Sunday night, Clarkson had not responded on social media.

Wallace is the son of the late CBS News legend Mike Wallace.