To put into perspective how much of Miley’s early career was spent on an exhaustive tour, the Best of Both Worlds Tour ran from 2007 to 2008, where she played 71 shows at the same time she was still filming Hannah Montana. Oh, and she was only 15 years old.

Source: https://www.buzzfeed.com/noradominick/miley-cyrus-touring-isnt-healthy