a girl and a guy in the kitchen smear each other with a cake, he pushes the cake into her purse, she smears his face and puts on glasses, then they kiss, the red-haired guy, the brunette girl
a girl and a guy in the kitchen smear each other with a cake, he pushes the cake into her purse, she smears his face and puts on glasses, then they kiss, the red-haired guy, the brunette girl
I don’t recall that particular scene but the description of the couple sounds like “About Time”.
https://en.wikipedia.org/wiki/About_Time_(2013_film)