The best thing about memoirs is all the behind-the-scenes details we get from the celebrity writing it. It's all those deep, dark secrets that fans have wanted to know for the longest time. As two of the most celebrated WWE women wrestlers, Nikki Bella and Brie Bella aka The Bella Twins let their guard down and wrote about their exciting lives in Incomparable. The Bella Army got a microscopic look into the various moments in their lives that defined the people that they have become today.