Leo couldn't stop laughing at how young he looked in the 1997 blockbuster.
Leo turns Blake Lively green
DiCaprio buys new Gossip Girl girlfriend eco car
He's very passionate about saving the earth, so it's no wonder that heartthrob Leonardo DiCaprio was horrified when he found out new girlfriend Blake Lively drives a highly polluting Range Rover.
Not one to be discouraged, Leo has bought the Gossip Girl actress and Chanel muse a a greener vehicle.
The actor's purchased a black Prius, worth 440,000 for Blake, in a bid to show her the "eco way".
The Prius is the care of choice for the ecologically conscious as it runs on both petrol and electricity and consumes a small amount of gasoline.
DiCaprio and Lively have been dating since the 37-year-old split with Israeli model Bar Rafaeli last Spring.
Find out why the Hollywood hunk won't wear antiperspirant.
The pair will reunite on the big screen for a fifth time in The Wolf of Wall Street.
The actor has reportedly insisted that he is not bothered by his lack of success at the Academy Awards.