Forever young: Senior celebs still working

Published On: Apr 06 2012 07:08:00 AM PDT   Updated On: Jan 19 2016 12:00:00 AM PST
Dolly Parton

Let's take a look at some celebrities over the age of 65 for whom retirement is a dirty word, including country music icon Dolly Parton, who celebrates her 70th birthday on Tuesday.