The "Gimme More" singer is on track to defy naysayers and top the charts with Blackout, her first studio album since 2003's In the Zone. And perhaps even more astonishing, Spears has managed her comeback while virtually refusing to promote the album in the traditional ways, ticking off her label, Jive/Zomba Records.

According to sales figures from Nielsen SoundScan and Billboard, Blackout sold 124,000 copies its first day of release on Tuesday - more on this story

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