Yes, yes, we're all familiar with Christian Grey, but now it's time to talk about some other hot gray guys who have major sex appeal. Whether they have just a smattering of silver in their facial hair, like Brad Pitt, Idris Elba, and Javier Bardem, or have let their whole heads go gray (we're looking at you, John Slattery), these men prove that you don't have to live by the dye to be seriously sexy. Scroll through to see 45 of the hottest silver foxes now, and find tips on how you can get in on the silver-haired action for yourself.