Demi Lovato is turning a new chapter in their career, debuting a new look along with the launch of their punk-rock era. The 29-year-old pop star looked fit and fierce while dressed in a plaid miniskirt that showed off their slim waist.
Read on to learn about the activities that help them stay in shape, as well as the photographs that prove they work—and don't forget to check out the 30 Top Celebrity Swimsuit Moments to become beach-ready too!