VIDEO : Find Out Which Justin Bieber 'Purpose' Tracks are About Selena Gomez

I?ts Justin Bieber week on Ellen. In promoting the Friday the 13th release of the Justins new albim Purpose, he?ll be appearing on Ellen every day this week. Justin has revealed which tracks were written about his famous relationship with Selena Gomez. ?What Do You Mean?, ?Sorry?, and ?Mark My Words? are confirmed to be written about his ex who he says ?one day after they work themselves out could come together to make an awesome duo but honestly just wants her to be happy?