Tom Cruise and Cameron Diaz A Still From Knight and Day

Tom Cruise, the newest member

of the Black Eyed Peas?

          The year's most awaited block-buster Knight and Day just got bigger, what with the makers of the Tom Cruise and Cameron Diaz-starrer roping in none other than the world's most phenomenal bands, the Black Eyed Peas, to record the theme song for the movie.

         The band recently debuted the song someday...for Knight and Day, which is releasing this July, by spinning it at an after party that followed their concert at London's 02 Arena.

          The actor stunned fans when he went up on stage at London's 02 Arena and helped the band perform as the did a rendition of their hit single I Gotta Feeling...

         Peas' star Will.i.am admitted, "Even we were surprised! Fergie was the only one who knew about it." But cruise admittede he felt in no position to not hit the stage.

        Will.i.am said, "I'm a fan of Tom and i was so thrilled when they asked me to collaborate."The Black Eyed Peas song was featured in the movie, thanks to Cruise, after he urged producers to allow the chart-topping group to record a single for the soundtrack.

        With world's biggest stars Tom Cruise and Cameron diaz playing the lead, an invigorating plot and one of the best bands ever recording its theme song, Knight and Day seems to be a film we all have been waiting for!