UPDATE 9/5/14: Leonardo DiCaprio has officially donated more money to combat ALS than any other celebrity except for David Spade. Good form, gentlemen, and do continue to be examples for positive change.

Leonardo DiCaprio, king of the high seas and master of the man bun, continued his best summer ever by taking the ice bucket challenge with pals including the president of the Sierra Club, Chief Adam of the Athabasca Chipewyan First Nation, and Chief Courtoreille of the Mikisew Cree First Nation. Leo might goof off when he's practicing karate kicks on a yacht, but he gets serious when it comes to dumping a pail of water on his head. Because nominating fellow actors is for plebeians, Leo decided to nominate Stephen Harper, perhaps best known as the Prime Minister of Canada. Keep dreaming big, Leo. It's what Jack Dawson would do.

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Eliza Thompson senior entertainment editor I’m the senior entertainment editor at Cosmopolitan.com, which means my DVR is always 98 percent full.

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