Jake breaks up with Jenna after learning of her past with Matty. He soon realizes his mistake and goes to apologize but catches Jenna and Matty kissing.
Jenna is heartbroken and can't understand why Jake broke up with her. She turns to Matty for support and wonders if the things she faced tonight was just to she could realize that she never fell out of love with Matty. The two kiss.
Ben and Lacey kiss, but she later rebukes him the entire night. Kevin comes to the wedding in an attempt to mend his relationship but leaves after seeing Ben and Lacey dancing.
Jenna: I guess your plan to ruin my parents' relationship worked. Happy? Ally: Listen, your Dad's the one who ruined their relationship and it started years ago. Jenna: What are you talking about? Ally: Think about it why would I hate buzzkill this much for no reason? Because I'm the one who had to pick up the pieces when he screwed over your mom over and over again.