Nazi spies? Unknown siblings? Hidden drug addictions? Just how well do you think you know your favorite celebrity? Some facts that we at Obsev have uncovered may catch you by surprise. While some celebrities are pretty good at keeping their deepest secrets protected from public knowledge, the celebs in this video let a few juicty facts slip through the cracks. Prepare to have your mind blown as we present 5 of some of the darkest, most shocking celebrity secrets of all time! What celebrity secrets have you learned that completely threw you for a loop? Let us know in the comments below!