The Mail on Sunday reports that Christina Aguilera had each of the 150 guests invited to her wedding with Jordan Bratman sign a three-page confidentiality agreement. “You have to sign your life away,” a guest revealed. “It’s three pages long. It starts, ‘It came as a great shock to us that one of our guests has been trying to sell their invitations. We are sorry to have to ask you, our dear friends and honored guests, to sign this agreement but we feel it is the only way to ensure the security of our wedding.'” Read more.