Britney Spears has confirmed that the song she recorded with will.i.am for his new album will be released as a single.
Speaking on Twitter, the pop icon and X Factor USA judge also gave a plug to the Voice UK mentor's promotional tune 'Reach For The Stars', which premieres today via a live link from Mars.
A robot rover called Curiosity is beaming the track back down to Earth today.
Spears said last night: "Just left the studio w/ @iamwill working #willpower. Look out 4 #reachforthestars beamed 2 earth from mars tmrw via my friend @MarsCuriosity
"Can't wait for y'all to hear @iamwill's next single featuring me. Coming very soon. Stay tuned people...."
Will's new album #willpower also features collaborations with Rihanna, Chris Brown, Nicole Scherzinger, Cheryl Cole, Ne-Yo, Justin Bieber and Jennifer Lopez.
It will be released on October 15.
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