Even though it's been a while since this yearbook photo was taken, the singer in this picture still has the same heartwarming smile. Were you able to guess who it is? If not, here are a few hints to help you out.

Since she's been gone from school, this vocal powerhouse has been rocking stages worldwide. She first broke onto the scene as the queen of a reality singing competition, and now she's a Grammy-winning pop diva. This Texan reps her home state well, with a big, bold voice that gets fans singing along and pining for more. Basically, our lives would suck without her.

To reveal which songstress appears in this yearbook photo, click through below.