Britney Spears is ecstatic with the numbers her new book, The Woman in Me, is raking in and took to social media to express her gratitude to her millions of followers for helping her reach this achievement.

Spears said, “My book is the highest-selling celebrity memoir in history and it’s only day 1 !!!”

She continued by thanking everyone for their support, and the book’s release has topped the best-seller charts on Amazon and Barnes & Noble.

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