If you loved Die Ex-Freundinnen meines Freundes, try It's a Boy Girl Thing
Eine Brücke zwischen einem Film, den du schon gesehen hast, und einem, den kaum jemand kennt. Das teilen sie, und was der zweite macht, was der erste nicht macht.
Du liebtest bereits

Die Ex-Freundinnen meines Freundes
→
Probier das als Nächstes

It's a Boy Girl Thing
Was sie teilen
Both films are directed by Nick Hurran, and they both carry the playful mood tag, and they sit in Comedy / Romance territory. If that's the register that drew you to Die Ex-Freundinnen meines Freundes, the second film will land in a comparable space — through a different lens.
playful
What It's a Boy Girl Thing is
A museum field trip takes a body-swap turn when a pair of rivals meet an Aztec statue. Overnight, the overachiever becomes the jock and vice versa. Two weeks of forced empathy later, they’re still not speaking.