Forever young: Senior celebs still working

Published On: Apr 06 2012 09:08:00 AM CDT   Updated On: Jun 19 2014 01:00:00 AM CDT

Celebrity may seem like a young person's game, but there are many celebrity senior citizens still out there working who would beg to differ.

David Letterman
15 / 91
Robert Galbraith/Reuters

David Letterman (67 years)
Born April 12, 1947

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