If Jamie Lynn Spears can spill all her family tea in a book, so can BRITNEY. And she can make a LOT more money doing it.
Britney has reportedly signed a $15 MILLION deal to write a tell-all.
Although it'll be interesting to see if she actually tells ALL . . . given how upset she was with her sister for airing all their dirty laundry in public.
Jamie Lynn's book, "Things I Should Have Said", quickly dropped to #95 on Amazon's bestseller list, due to condemnation from Britney and all her fans.
Britney also served her sister with a cease-and-desist, to make her stop talking about her in public.
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