Author J. Randy Taraborelli claims his book is the closest anyone will come to knowing the truth about Beyonces life.\rbr\rbrAn unauthorized Beyonce biography is hitting the shelves next week and makes some shocking allegations about Jay Zs relationship with Rihanna.\rbr\rbrWe know entertainment.\rbr\rbr\rbr\rbrBe sure to check out Jem and the Holograms, in theaters October 23rd! A special Thank You goes out to Universal Pictures for sponsoring .