Amy to Nicole: FORGIVE ME!

Mean girl alert! Amy Schumer is stilling doing "damage control," a source tells In Touch, days after she was slammed for poking fun at Nicole Kidman for the way she watched the US Open tennis tournament on Sept. 9.

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The comedian, 42, took to Instagram to share a photo (right) of the actress, 56, intensely watching the women's singles final between Coco Gauff and Aryna Sabalenka. "This how human sit," Amy captioned the since-deleted image.