I found cross my heart enjoyable but not overly exciting. I felt that the book should have been planned out better. The twist towards the end was obviously a gap filler and it was a bit like a discordant note disturbing the symmetry of an otherwise decent novel. 
 (view spoiler)[ I just couldn't get over my disbelief that when Jaden realized that she had basically fallen in love with a created persona she could still love the person playing the role when they were essentially a totally different individual. (view spoiler)[ (hide spoiler)] (hide spoiler)]