HOLLYWOOD - APRIL 02: Actress Demi Lovato attends the "Hannah Montana The Movie" Premiere at the El Capitan Theatre, 2 April, 2009 in Hollywood, California. (Photo by Kristian Dowling/Getty Images)

Demi Lovato isn’t just cool for the summer, she’s cool all year round. When Lovato hits the red carpet, she always looks confident. That’s why in honor of her 27th birthday, it’s worth taking a look back Lovato’s best style moments over the past decade.

In that time, Lovato has gone from Disney star to diva. It’s all part of a glow-up that had her ditching the little back babydoll dresses of her youth for couture gowns. To see how far Lovato’s look has come, check out the gallery below.