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.

Long has also starred in several films including 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).