Britney Spears is said to be "furious" with her mother, Lynne, after Lynne detailed her daughter's past in her memoir, "Through the Storm." While the book doesn't dish on Britney's sex life or drug use, it blames all of Britney's problems on her daughter's former managers. Spears - who already considered her mother a siphon on her purse - is "upset" about the book, spies said, especially when she feels Lynne herself caused so many of her problems and issues. Spears is now only talking to her father, Jamie, who, as her conservator and guardian, has cleaned up her affairs and put his daughter back on the straight and narrow. A rep for Spears said, "This is false." Spears is even being allowed out by herself and last weekend went to Las Vegas to catch the Cirque du Soleil show "Love" at the Mirage. Afterward, Britney and her hairstylist, Kim Vo, went to Japonais and drank only water before hitting the blackjack tables and going home - sober.

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