Shelley Lee Long (born August 23, 1949) is an American actress and comedian. She is best known for her role as Diane Chambers on the hit sitcom Cheers, for which she received five Emmy nominations, winning in 1983 for Outstanding Lead Actress in a Comedy Series. She won two Golden Globe Awards for the role. Long reprised her role as Diane Chambers in four episodes of the spinoff Frasier, for which she received an additional guest star Emmy nomination. In 2009, she began playing a recurring role as DeDe Pritchett on the ABC comedy series Modern Family.

Her first notable role came in the 1979 Natalie Wood television movie "The Cracker Factory" as a psychiatric inmate. That same year she guest starred on "Family and Trapper John M.D." In 1980 she appeared in her first feature film role in "A Small Circle of Friends". The film about social unrest at Harvard University during the 1960s was a critical success.

Long has also starred in several films, notably "Night Shift" (1982), "Irreconcilable Differences" (1984), "The Money Pit" (1986), "Outrageous Fortune" (1987), "Hello Again" (1987), "Troop Beverly Hills" (1989), "The Brady Bunch Movie" (1995), "A Very Brady Sequel" (1996), and "Dr. T & the Women" (2000).

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