It might seem like celebrities share everything about their lives with fans, but that's really just not true at all.
They share what they want people to know. There's so much we have no knowledge of especially when it comes to their love lives! To be fair, it's probably not fun to have your arguments and romantic milestones plastered across the latest tabloids. BUT, sometimes fans don't even realize their favorite stars are dating let alone know each other at all!
Yes, it happens more than you think!
Click through the gallery and check out all of these famous couples who were so sneaky that you had no idea they were together!