Britney Spears and ex-beau Justin Timberlake are bringing sexy back with a duet for Brit’s new album due out at the end of the year.

Pop music’s former couple were supposed to team up on Britney’s last album “Blackout,” but Brit never showed up for the recording session at music producer Timbaland’s Virginia Beach recording studio last August.

At the time Britney was under the influence of Sam Lutfi.  In a restraining order issued against Lutfi, Britney’s mom Lynne Spears, claims he kept her daughter drugged.

Britney has been busy recording tracks for the new album and was snapped heading into Conaway recording studio last night.  (View photos below).

For nostalgia’s sake, we have also included pictures of Britney and Justin together during their glory days as the princess and prince of pop.

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Filed under: Britney Spears, Justin Timberlake