Happy Birthday, Demi Lovato!

We love Demi Lovato. No doubt about it, the girl has gone through a lot these past few years, but she’s come through better than ever. Plus, she’s involved in lots of great charitable organizations and is a mentor for teens and young adults – that’s something we can definitely get behind. So in honor of her 21st birthday, we’re sharing a few of our favorite Demi Lovato collages (trust us, there were plenty to choose from)!