BRITNEY SPEARS is planning to tell all about her colourful life - the TOXIC star is reportedly set to sign a $14 million (GBP10 million) publishing deal.The 27-year-old first stepped into the spotlight on U.S.

TV show The New Mickey Mouse Club in 1992, before launching a solo career and becoming one of the most famous singers on the planet.

And now she is close to detailing her rise to stardom and recent troubles after landing a multi-million book deal to write her memoirs, according to U.K. tabloid the Daily Mirror.

A source tells the newspaper, "There have been numerous unofficial autobiographies about Britney, but she's never agreed to pen her own tome - until now.

"And some of the stories she's got are absolute dynamite. She's kept diaries so there's nothing she'll leave out unless she wants to. If the deal goes ahead she will write three and five books throughout the next decade - it's one of the most lucrative book deals in showbiz history."