Who would know by looking at Leonardo DiCaprio today, that he was once surrounded by prostitutes and drug lords. Apparently his neighborhood was really bad! "It really was like Taxi Driver in a lot of ways," Leo said. "I grew up very poor and I got to see the other side of the spectrum." Because he was exposed to so much as a child, he's never wanted to do drugs and stayed away from them. Watch the video below to find out more about Leo's tough neighbourhood: