By Grace Gavilanes
Updated Nov 11, 2014 @ 5:50 am
Leonardo DiCaprio birthday
Credit: Getty Images (2)

Today, we are raising a glass to Leonardo DiCaprio, who is ringing in a milestone: It's his 40th birthday! The five-time Oscar nominee burst onto the Hollywood scene when he stole millions of hearts with his roles in 1996's Romeo + Juliet and Titanic in 1997. And since then star has cemented his role as one of Hollywood's leading heartthrobs and acting heavyweights.

With an impressive resume that boasts critically acclaimed titles such as The Departed, The Great Gatsby, and The Wolf of Wall Street, DiCaprio has come a long way since his start on the hit TV series Growing Pains---and we have 25 years' worth of his standout hair moments to prove it! Click here to see DiCaprio transform from a 15-year-old rising star to a celebrity do-gooder. Happy birthday, Leo!