She made the confession to writer Neil Strauss, author of pick-up manual "The Game."
"All of the trauma I caused to myself . . . There are some things that are so traumatic, I don''t even fully remember them," reports the New York Post.
Strauss said he called on his persuasion techniques to get stars to open up for his book, "Everyone Loves You When You''re Dead."
"When I interviewed Christina Aguilera, she talked for the first time about surviving domestic abuse . . . I think musicians see me as some sort of confessional," he added.
