Never mind that they played brother and sister on the show.
James Norton, who played the dashing Andrei Bolkonsky, has been stepping out with Jessie Buckley, who played Andrei's religious, downtrodden sister Marya.
The number of offspring is not completely correlated with the frequency of springing into bed, however.
So the researchers asked 92 female British students to rate how attracted they were to various profiles and the war hero came out as the No. Military service was attractive to women generally, but interestingly, if the guy had no war honors, whether he had served overseas or never left home base made no difference to his magnetism.
The couple made their first public outing at the after-party for Norton's new West End play, , last night in London. The co-stars were first romantically linked in February after they were reportedly seen kissing at a Brits party.