From the day Ariana Grande stepped on the set of Victorious as Cat Valentine, America has been absolutely enamored by her presence. While a ton of childhood stars hit a rough patch after they leave childhood television, Grande's career has stood the test of time. Since leaving her Nickelodeon days behind a decade ago, her career has grown an impressive amount with chart-topping music and an appearance as Glinda Upland in the new movie rendition of Wicked, out in theaters ...