Britney Spears has reportedly signed a $20 million deal to publish an autobiography.
The 27-year-old "Womanizer" star will begin chronicling her whirlwind career in showbusiness once her sold out Circus Tour
is done circling the globe later this year, Britain's Daily Mirror
reported on Tuesday."There have been numerous unofficial biographies printed about Britney, but she's never agreed to pen her own tome -