Charlie's mom, Evelyn, is quite shocked to meet his fiancee, Chelsea (Jennifer Taylor) for the first time. Charlie never even told her she existed, let alone that he proposed.
Chelsea: What's wrong with me having a warm and a healthy relationship with your mother? Charlie: For starters, you'll be the only one... ever! Chelsea: Oh, don't be so dramatic Charlie: I should be wearing tights and holding a skull... preferably hers