More than 20 years into her career, Britney Spears remains one of the most popular female artists of all time. By the time she was 21-years-old, Britney evolved from a squeaky-clean Disney Mouseketeer to a slinky vixen, an image she parlayed into immense financial success. But with Britney’s superstar status came mega legal battles. A divorce, messy child custody dispute, and very public meltdown ended with a dramatic family intervention that saved her, and her empire, from herself.