00:00Fans didn't realize this happened years before they started dating.
00:04Zendaya and Tom Holland first met while filming Spider-Man, Homecoming back in 2016.
00:09What started as on-screen chemistry quickly grew into a genuine friendship off-screen.
00:14Over the years, that friendship blossomed into something more.
00:18Now one of Hollywood's favorite couples, their love story started long before the world noticed.
00:23How did you first notice their chemistry?
00:26Tell us in the comments.