Can you guess who these famous faces would grow up to be?
From using cannabis plants as Christmas trees to home intruders putting up decorations, here are some of the most shocking Christmas-time crimes.
Selena Gomez blushed when David Letterman put her on the spot, trying to get her to reveal once and for all if she and Justin Bieber are a couple.
"He's been in my life for so long and it's just nice to have someone that understands what you're going through," said Gomez.
"Now listen, this is not my first rodeo," said Letterman. "You can talk to me about these things."