Trending badgeTrendingPosted 1 hour agoSubscribe to Screen Time NewsletterCaret Down15 Costars You Had No Idea DatedA director said that onscreen chemistry between Margaret Qualley and her costar ex was "the best [he's] ever seen!"by Kristen HarrisBuzzFeed StaffFacebookPinterestLink Some of the most iconic celeb couples of all time - think Zendaya and Tom Holland or Elizabeth Taylor and Richard Burton - were costars before they fell in love. However, there are plenty of under-the-radar celeb couples who also met on set. Albert L.