Film: You Again

You Again, 2010 comedy and romance directed by Andy Fickman and staring Kristen Bell, Odette Yustman (she hadn't changed her last name to Annable then), Sigourney Weaver, Jamie Lee Curtis, Betty White, and Victor Garber.

When former high school loser Marni Olsen realizes her brother is about to marry her high school rival Joanna, she sets out to expose the fiancée's true colours. Things get out of hand when it turns out that her mom Gail and the bride's aunt Ramona are in a similar situation.

In need of some Wiki Magic.

This work contains the following tropes