Leonardo DiCaprio stole our hearts in his early adult years when he played lead roles in the epic romances Romeo + Juliet and Titanic.
Although DiCaprio won his first Oscar for Best Actor for the 2015 film The Revenant last year, he's blown us away with many of his previous acting roles.
He's not only loved for his impeccable acting skills, but also his passion for advocating for the environment.
Click to the next page to see more rare or funny photos of Leonardo Di Caprio over the span of his acting career.
Leo's first acting role in Romper Room and Friends in 1979.
Serious Leo in This Boy's Life (1993).
He should have won an Oscar for playing the role of a mentally impaired child in What's Eating Gilbert Grape. When he went to the Oscar awards, other actors actually thought he was mentally disabled.
His role as a teenage con artist in the 2002 film Catch Me If You Can can only be described as perfect.
Remember when this hilarious meme surfaced on the Internet after he finished filming Inception.
And remember when Leo started the "OMG" knuckle-biting trend after his role in The Wolf of Wall Street.
How can we forget the time he took shelter in a horse carcass in The Revenant. Yuck.
Let's not forget how Rose didn't make room for him on the floating door and left him to die. We still won't get over that one.
Here's a compilation of hilarious faces he's made on-screen.
Don't forget to wish him a happy birthday on this Twitter account!