Leonardo DiCaprio

Maybe everyone is an underdog at some point. Lady Gaga had a Facebook group named after her when she was a raven-eyed NYU freshman at 18. It told Stefani Germanotta, in myriad ways, that she would never be famous.

Leonardo diCaprio grew up poor in Los Angeles, thrown in with a bunch of rich kids. It’s that upbringing as a have-not in a world of haves that helped him create the character he plays in The Wolf of Wall Street.

In 2011, California lawmakers passed a law banning the controversial shark fin trade. Though the law doesn’t go into effect until January, it’s already sparked discontent among chefs and seafood distributors in San Francisco’s Chinatown, where shark fin soup remains a popular delicacy.

From The Dark Knight to the Great Gatsby, 2012 is set to have some blockbusters on the big screen. You’ll want to mark these six flicks down as must-see movies.

Hollywood is taking activism beyond “An Inconvenient Truth” in hopes of creating a global, environmental movement against climate change.