Even as a little girl, this singer was gorgeous! Don't those big brown eyes just make your heart melt? 

In case you don't recognize her, knowing that this girl got her start on 'Barney' might help you figure out who she is . She then moved on to conquer Disney as a young teen, and thanks to her outstanding pipes, striking beauty and shining personality, she's gained international recognition. Now, when she's not working on new music, you can catch her hanging with Britney Spears and Simon Cowell!

Have you figured out which singer appears in this old-school yearbook photo? Click through to find out!