Madelyn Cline And KJ Apa Prove How Well They Know Each Other In This Chaotic Costar Test

Madelyn Cline, KJ Apa 'Map That Leads To You' Interview

Now, the duo is teaming up for their new romance movie, The Map That Leads to You, which I can say with my whole heart that I loved so much. It might be one of the best young adult romance movies in recent years.

Based on the novel of the same name by J.P. Monninger, and directed by Lasse Hallström, the movie tells the story of Heather (Cline), who is traveling Europe with her best friends when she meets Jack (Apa). Soon, the duo embarks on a whirlwind summer of romance and travel together, with Jack visiting various locations his grandfather wrote about in a journal.

So, to celebrate their new movie, we had Madelyn and KJ take a costar test to see how well they really know each other behind the scenes, and it might be one of the most hilariously chaotic costar tests we've done.

For starters, KJ felt extremely confident that he knew the first time he met Madelyn, but she quickly pointed out that he was wrong and they actually met at a gym years prior.

They also agreed on their favorite behind-the-scenes memory from filming The Map That Leads to You, which was when one of their security guards "almost decked a guy."

And while they didn't know everything about each other, like what Madelyn's go-to snack at craft services was, the whole thing was just so delightful because they love to goof around together.

Like, I genuinely have not seen costars make each other laugh so much in a long time.