The space shuttle Endeavour takes off on its final flight with a stopover in Houston.
The space shuttle Endeavour gets ready to take off from Ellington Field after a 1-day stop in Houston on its final voyage.
The following five celebrity urban legends will likely live on long into the future, despite the fact that none of them is remotely true.
Whatever their reasons, more than a few stars have decided to walk away from their chosen fields only to get the itch and return -- some more than once. Take a look at some celebrities who have "unretired."