turned 24 on April 23, and she rang in the momentous occasion witha huge party for all her best friends,includingTaylor Swift You've been very busy over the past couple of years. What has been the most fun project you've worked on?AR: I wish. That would have been cool, but no, not yet at least.TV the track list, fans inevitably got pretty curious about the meaning behind the songs. While responding to fans on Twitter, Arianaexplained