Gloriana is a Character In What’s next for sarah. She is known to be a parody of pop singer Ariana Grande who Jennette McCurdy ( the star of this show) worked with on Sam And Cat. She is played by Shelby Young. Personality: Gloriana is very self centered and only focuses on her self and her music. Also she is shown to be annoying as she talks too fast and talks too much. She has lots of Connections to Ariana grande like the music , ponytail and more.