Here's what Ariana Grande looked like before and after hitting the big time. As a result, thousands have called for the year- old to be. Here's Ariana Grande as the cute little year- old we all fell in love with back in when she played a cheerleader named Charlotte in the Broadway musical. Ariana Grande has had one whirlwind career, and her transformation has been just as dramatic. The year- old singer first got her start on.