by Michele BirdBuzzFeedBuzzFeed Contributor Sometimes, onscreen chemistry is so undeniable, it's not a major surprise when costars end up dating IRL. From playing a couple on set to walking their first red carpets, here are the romances that became the real deal after the cameras stopped rolling: 1. To start, Tom Holland and Zendaya met on the set of Spider-Man: Homecoming in 2016. The co-stars' onscreen chemistry soon turned into the real thing, and they confirmed their relationship in 2021.