Dedee Pfeiffer says 'being Michelle Pfeiffer’s sister' had nothing to do with her addiction battle: 'People would love to say that'

The Cybill alum, who now appears in TV's Big Sky, opened up to Page Six about her 10-year hiatus from Hollywood, during which she was a high-functioning alcoholic before seeking treatment. She spoke about what her addiction stemmed from – and what it did not.

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