Plus, get the best of BroadwayWorld delivered to your inbox, and unlimited access to our editorial content across the globe. From the first song, a stellar cover of Frank Sinatra’s “Oh! Look At Me Now ...

For more than a decade, Ariana Grande and Elizabeth "Liz" Gillies' friendship has remained victorious. In the years since their Nickelodeon show Victorious ended in 2013, the duo—who first met when ...