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