How old is too old to bare it all for the pleasure and entertainment of others? 66-year-old grandfather Ian Clark models nude for an art class and donates the £25 fee to Medical Foundation for the Care of Victims of Torture. Which is, you know, thoughtful of him. 

But to step it up a notch, Disco Ernie is an 80-year-old stripper with no cartilage in his knees. It's just bone-on-bone people! If you watch nothing else today, this video is four minutes of hot, wrinkled gold:

We'd totally call Disco Ernie for our grandma's 91st birthday party, but Aunt Jeanie's heart couldn't handle it.

Maybe we'll just hire this disco superstar instead...