Then: Ever heard of the show “Magnum, P.I.?” Set in Hawaii, it starred Tom Selleck as the title character, a private investigator who solved crimes when not drinking cold beer, picking up women, or working on his tan. Where are we going with this, you ask? Tom Selleck’s thick moustache and iconic Aloha shirts, naturally. A veritable trend back in the day, the combination still makes for a great ’80s costume idea today.