Trending badgeTrendingPosted 55 minutes agoSubscribe to BuzzFeed Daily NewsletterCaret Down18 Times Celebs Hid A Secret For Years Before It Eventually Came OutI'll never get over Jack and Meg White pretending to be siblings when they were actually married.by Kristen HarrisBuzzFeed StaffFacebookPinterestLink There are plenty of Hollywood mysteries we may never know the answer to, like who the father of January Jones's baby is or why Julianna Margulies and Archie Panjabi filmed their finale scene in The Good Wife separately.