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Who's the boss now? Alyssa Milano isn't letting Jay Mohr's recent jab about her weight get to her -- but she's not letting him off the hook, either. The 41-year-old actress sent the comedian a direct tweet on Christmas Day after she got wind that he reportedly slammed her for her post-baby body weight.

Mohr reportedly scrutinized the Mistresses star during a recent radio interview after the two both attended the NASCAR Sprint Cup Series Awards gala in Las Vegas on Dec. 6 (via NY Daily News). "She was one of the presenters," he said. "She's very tiny, in height...It seems like she had a baby and said, ‘I don't really give a s--t'...I read it on her gut." (Mohr also hosted the event.)

He added: "Somebody sat in the director's chair and was not wearing Spanx and I was like, 'Jesus Christ.'"

Milano's response? The stunning brunette kept it classy as she responded to his jabs via Twitter. "@jaymohr37 So sorry you felt the need to publicly fat-shame me. Be well and God Bless. Please send my love to your beautiful wife," she wrote. "You're all lovely. Thank you for your kind words. #Appreciative," she later added. Mohr has yet to respond.

The Suburgatory actor has been married to Las Vegas alum Nikki Cox since 2006; they have a son Meredith, 2. Milano and her husband of three years, Dave Bugliari, welcomed son Milo in August 2011.