10 Years Younger (also abbreviated as 10YY) is an American reality series that aired on TLC. It takes individuals and transform them to look more "glamorous", or 'ten years younger', hence the name of the show. 10YY first aired on December 1, 2004 and ran until 2005 when it went on a hiatus.
The show begins by introducing the participant and their story. 100 people are asked to guess the age of the participant. The average of these guesses is then considered the "age" The show must try to make them look ten years younger than this average, not their actual age.