George Lopez & Kirstie Alley Spar Over Pig Comment

The mudslinging between Kirstie Alley and George Lopez continued Friday morning!

The host of "Lopez Tonight" apologized to the actress after suggesting the plus-sized star, who recently lost 60 lbs., looked pig-like on the dance floor during the "Dancing with the Stars" premiere earlier this week.

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"I misjudged the joke. No malice was intended and I apologize to Kirstie," George Tweeted Thursday evening.

Friday morning Kirstie came out blazing with a response Tweet aimed right at the comedian's kidney.

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"@georgelopez I don't need or want ur apology," the actress wrote. "I want your kidney dude..on behalf of ur X and all the women uv insulted...give it back"

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In 2005, George's then-wife, Ann, donated one of her kidneys to her husband after one of his deteriorated due to a genetic disorder called narrow ureters. The late night host and his wife split in September 2010.

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As previously reported on , George mocked Kirstie's "Dancing" debut earlier this week, saying, "She did a nice job, her little hooves tapping away...before the show, she went to the market, and then she had roast beef and this is her going all the way home."

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