Britney Spears took to her Instagram to allege that her mother Lynne struck her for staying out late while she took care of the singer's two sons.
"The first time I ever got slapped was the one night Paris [Hilton] and Lindsay [Lohan] dropped me off at my beach house with my babies," wrote the singer.
"My mother was watching Jayden and Preston...yes I partied till like 4am and my mother was PISSED !!!! I walked in, she looked at me and hit me so hard that I will never forget it !!!"
The Grammy winner ended her post – which featured a clip of Jennifer Lopez slapping Jane Fonda in the film "Monster-in-Law" – by stating that she'll "never know" what hitting someone across the face feels like, while encouraging her fans to "stay classy!"
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In August, Lynne attempted to end the feud with her daughter, taking to her own Instagram to share a photo of the two of them. "Britney, your whole life I have tried my best to support your dreams and wishes!" Lynne, 67, captioned the Instagram post, which featured an old black-and-white photo of the mother and daughter in happier times, smiling.
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"And also, I have tried my best to help you out of hardships! I have never and will never turn my back on you!" Lynne continued.
Lynne did not immediately respond to a request for comment from Fox News Digital.