Demi Lovato's Style Evolution

Since her debut on the Disney Channel to becoming a full-fledged pop star, Demi Lovato's style has evolved in many ways. From her girly dresses at her first red carpets to rocking blue, pink and red hair to owning her inner rocker chic, one thing's for certain: the "Sober" singer loves to experiment with her look! Click through the gallery to see how the Texas native's style has changed over the past 13 years.