Looking back at celebrity relationships of the 1980s and early '90s is always fun: the big hair, the vintage outfits and the fact that every little nugget of information feels like gossip gold due to the lack of internet back then. Courteney Cox and Michael Keaton are the perfect example. Back in the trivia night portion of your brain, you probably remember that they were once a thing - but we're here to remind you of the details of their long and very serious relationship.