Ariana Grande is reminding people of the truth ... Read on to see more of how Ariana has changed through the years. The Sam & Cat star stunned in a charming white mini-dress at the 2011 Grammy ...

The “We Can’t Be Friends” singer was nominated for best actress in a supporting role for her portrayal as Glinda the Good Witch in the Jon M. Chu-directed film.

As a kid, Grande loved singing karaoke with her family. "I looked up to Whitney and Mariah and Celine endlessly," she says. "I think that's a large part of the reason why I learned to sing." ...