If you're not up to date on Game of Thrones (what are you doing with your life?) then you may not know the secret the Red Lady has been holding onto all this time.
If you are though, you will know that Melisandre is actually four thousand years old (or you know, something like that) and that her necklace seems to have some magical mojo that knocks centuries off her.
This weekend, Late Night talk show presenter Conan O'Brien was at Comic-Con in San Diego where he interviewed some of the cast, however, he also had a secret of his own to reveal....
Here's the original scene from episode one of season six of Game of Thrones, in case it's not already etched into your minds FOREVER.