Britney.com, KeshasParty.com and MyPinkFriday.com, all official sites of superstars Britney Spears, Ke$ha and Nicki Minaj, confirmed this evening that the three femme fatales did a remix to Britney’s latest single, “Till the World Ends”, from her seventh studio album. The track is slated to come on Monday. The official sites had a special countdown quoting lyrics from Spears’ second single, giving an official nod that this femme fatale trio is indeed on a track together

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As Britney Spears and Justin Timberlake get ready to take the stage with Madonna on Thursday night in LA, Access Hollywood can reveal the songs the superstars will perform!

A source close to Madonna’s tour tells Access that Britney will perform on stage to the song “Human Nature” tonight at Dodger Stadium — Madonna’s latest stop on her “Sticky & Sweet” tour.

And no real surprise here — Justin will perform to “4 Minutes,” the song which he duets with Madonna for on her “Hard Candy” album.

It’s not known yet whether or not the former couple will appear on stage together at any point.

As Access reported in July, Britney pre-taped a video segment for Madonna’s tour, which has been used up until now, for the “Human Nature” moment of the tour.

Madonna’s LA stop suffered a setback earlier today, because some lights and equipment were unable to be assembled. But according to her publicist, Madonna says: “Even though my stage roof was damaged and some lights and effects aren’t working, I want to do the show anyway because I don’t want to disappoint my fans.”

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