I'll put this bluntly: Ewan McGregor makes all of us here at Collider dot com Very Horny. From his theatrical villainy and Chris Messina relationship in Birds of Prey, to his musical lovestruck-ness in Moulin Rouge!, to, of course, his bearded Obi-Wan Kenobi in the Star Wars prequels, Mr. McGregor just has a knack for setting our, um, "hearts" on fire. So when I hear, via a chat with ACE Universe (in which he's rocking long bleached-blond hair, a beard, and Apple Airpods, my goodness), that he's joining the cast of an upcoming Guillermo …