(NEWSER– We've heard of not getting along with your in-laws, but one UK woman took things exceptionally far: She didn't like her brother's fiancee, so she pretended to be the woman, called up the Plymouth Registry Office, and canceled the wedding. Needless to say, things did not end well for Ann Duffy; this week she was sent to jail for eight weeks, the BBC reports. She was also slapped with a restraining order by the brother's now-wife. Even weirder: She's reportedly the one who introduced the pair back in 2012.

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