Pop stars need love too, and sometimes they look no further than the Billboard charts to find their perfect pairing. Each of these real-life musical matches – ranging from country icons to R&B royalty – is a powerful pair in its own right; but which team is the greatest sum of its individual parts? Check out the *ranked list and see which romantic team takes the crown as music’s most best-selling couple. (you will never guess ... or rightfully know the couple in the No1 spot)
