Celebs We Didn't Know Were Gay
He's never really kept it a secret, but you may have missed the Anderson Cooper episode where the Hobbit star officially outed himself a few months ago.
The "Kyle XY" star came out of the closet surreptitiously on Twitter early in January 2013 when he let the world know that he was marrying his long-time love -- musician Bill Hamilton.
David Hyde Pierce has never really kept his sexuality a secret. But he's one of many Hollywood stars that choose not to discuss his private life at all. Consequently, many of his fans still don't know that he's gay.