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  • David Letterman guest hosts on "The Tonight Show Starring Johnny Carson," July 4, 1979.
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  • Jay Leno during an interview with guest host David Letterman on "The Tonight Show Starring Johnny Carson," July 4, 1979.
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  • David Letterman at the taping of his first talk-comedy hour "Late Night with David Letterman" with guest Bill Murray, Feb. 1, 1982, in New York.
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  • David Letterman warms up his NBC studio audience prior to the taping of his popular television show at Rockefeller Center in New York, circa 1982.
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  • Liberace, David Letterman, and Bob Dylan onstage at "Late Night with David Letterman," March 2, 1984.
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  • David Letterman dresses up in a marshmallow costume at "Late Night with David Letterman," Sept. 2, 1988.
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  • Oprah Winfrey is seen during an interview with David Letterman on "Late Night with David Letterman," May 2, 1989.
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  • Robin Williams is seen during an interview with David Letterman on "Late Night with David Letterman," Dec. 18, 1990.
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  • David Letterman, left, appears with host Johnny Carson during taping of "The Tonight Show," at the NBC Studio in Burbank, Calif., Aug. 30, 1991.
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  • David Letterman announces his move from NBC to CBS at a news conference at CBS Studios in New York, Jan. 14, 1993.
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  • Drew Barrymore turns to the audience after flashing host David Letterman during the taping of the Late Show with David Letterman in New York, April 12, 1995.
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  • Howard Stern is seen in full drag on the "Late Show with David Letterman," Dec. 20, 1995.
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  • Dennis Rodman gives Dave a new look on the "Late Show with David Letterman," Aug. 20, 1996.
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  • The New York Yankees Shower Dave with champagne on the "Late Show with David Letterman," Oct. 28 1996.
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  • Richard Simmons makes a flying entrance and gets sprayed by Dave with a fire extinguisher on the "Late Show with David Letterman," May 12, 2000.
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  • David Letterman test drives a motorcycle from Orange County Chopper at The Late Show with David Letterman, July 26, 2006, in New York.
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  • Joaquin Phoenix waves to the audience during his interview with Late Show host David Letterman during the Late Show with David Letterman, Feb. 11, 2009.
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  • David Letterman and Harrison Ford ride horses named Chase and Shane outside the Ed Sullivan Theater, July 18, 2011, New York.
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  • Joan Rivers shares a laugh with Dave when she visits the Late Show with David Letterman, Feb. 26, 2013.
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  • The "Late Show with David Letterman" celebrates its 20th Anniversary with Bill Murray, who was the Late Show's first guest. Murray retrieved a time capsule as part of the festivities on the Late Show with David Letterman, Aug. 29, 2013.
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  • Actress Helen Mirren chats with Letterman about the Oscars and her new Broadway play "The Audience" on the Late Show with David Letterman, Feb. 23, 2015.
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  • President Barack Obama was a guest on the Late Show with David Letterman during a May 4, 2015 taping in New York.
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  • Tina Fey takes off her dress after her last appearance on the Late Show with David Letterman, May 7, 2015.
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  • President Bill Clinton makes his final appearance on the Late Show with David Letterman, May 12, 2015.
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  • George Clooney handcuffs himself to Dave in an attempt to keep Dave from leaving the show, on the Late Show with David Letterman, May 14, 2015.
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