You Again (2010)
History -- make that high school -- may repeat itself when Marni learns that Joanna, the mean girl from her past, is set to be her sister-in-law. Before the wedding bells toll, Marni must show her brother that a tiger doesn't change its stripes. On Marni's side is her mother, while Joanna's backed by her wealthy aunt. sibling relationship, marriage, bullying, rivalry, bully, wedding, humiliation, sister-in-law, duringcreditsstinger
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