Chart topper, Bruno Mars has agreed to do a duet with One Direction, making a dream come true for the British boy band. .Bruno revealed his feelings exclusively at the LA launch of Spotify€™s Artist App with legendary producer Quincy Jones.The promise will make a dream come true for Harry Styles, Liam Payne, Zayn Malik and Louis Tomlinson who have all cited Bruno as their idol. Over the last year they expressed a desire to work with Bruno as they adore his music and song writing.Bruno admitted, €œI love those One Direction guys man, and one of these days we will make it happen. We can put something really good together. They are a really good group , and I am so happy that they have done so well so quickly. Yeah bring it on,€.Bruno turned up to interview producer Quincy Jones at the Spotify launch at the Andaz Hotel in Hollywood.Bruno's songwriting is revered thanks to his creative ideas and high hit ratio.Bruno backed the Artist Apps plan to help reduce the amount of piracy online.