Ariana Grande dons a barely updated version of Britney Spears' "Baby One More Time" style!
Ariana Grande News : Photo
Ariana in a school girl outfit
From pop star to schoolgirl: Ariana Grande plays Penny Pingleton in NBC's Hairspray Live! which released the first official cast photos on Friday night you should watch it now
Ariana hosts a BBC Radio show in London on November