Leading up to the release of her new single, 'Hold It Against Me,' Britney Spears has been hinting and winking at her legions of fans, but she's kept a surprisingly tight lid on the single itself. Sure, the demo
dropped last week, but unlike countless other artists, Spears had been able to keep the final version under wraps -- until now.

A day ahead of its official release, 'Hold It Against Me' has found its way online, and it seems Spears has yet another big hit on her hands. 

 

The song is produced by unstoppable hitmakers Max Martin and Dr. Luke. Martin is a Spears stalwart, having written and/or produced her hits '...Baby One More Time,' 'If You Seek Amy' and her most recent No. 1 hit, '3.'
 
Having had an unbelievable 2010, Dr. Luke is among the biggest producers in music right now. If you are a Katy Perry fan, you can pretty much thank Luke, who produced, ahem, 'I Kissed a Girl,' 'Hot N Cold,' 'California Gurls' and 'Teenage Dream.' His work on Perry's 'Teenage Dream' album earned him an Album of the Year Grammy nomination.
 
He and Martin are longtime collaborators, joining forces to produce hits for Kelly Clarkson ('My Life Would Suck Without You'), Pink ('Who Knew'), T.I. ('That's All She Wrote') and Ke$ha ('Kiss N Tell').
The demo version of Spears' 'Hold It Against Me,' with vocals by singer/songwriter Bonnie McKee, found its way onto the Internet late last week. The bass-thumping, synth-heavy dance track features lyrics like, "If I said my heart was beating loud, if we could escape the crowd somehow / If I said I want your body now, would you hold it against me? / 'Cause you feel like paradise and I need a vacation tonight / So if I said I want your body now, would you hold it against me?