David Letterman's last show generated a buzz across social media, with a rain of well wishes from actors, musicians, politicians and entire sports teams.
Letterman hosted the Late Show on CBS for nearly 22 years.
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In his entire 33 years as a late-night host, Letterman presided over more than 6,000 broadcasts.
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Letterman's final shows were visited by some of his most frequent and famous guests, including Bill Murray, Tom Hanks, Julia Roberts, George Clooney and Eddie Vedder.
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