Before they were superstars in their respected sports, they were kids with some talent and a dream. Yearbook pictures to prom pictures and everything in between, you'll see Dirk with a gold earring, and Chris Bosh with his head in the books. You can also peep LeBron's hairline, but don't stare too long 'cause next thing you know it'll be gone. Plus, Tom Brady being a tool and Tony Romo might be in a tree, but all we know is Rickey Henderson is an O.G.  Check out this gallery of Your Favorite Athletes as Teenagers.