Pink has revealed just how much work goes into preparing for her sky-high acrobatic stunts during her concerts - and it's a full workout regime to get her voice ready. During a new 60 Minutes interview, the singer demonstrated how even with a grown adult stood on her stomach, her abdominal muscles are so strong that she can still belt out her hits note-perfect. But it's not the first time she's done acrobatics. In fact, she actually started at the age of four, practicing five days a week for eight years. Sign up to our free Indy100 weekly newsletter