Woody Harrelson Wears Hemp Tux to the Oscars

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High times at the Oscars!

Woody Harrelson stepped out on the red carpet in a Burberry custom-tailored black tuxedo made out of ... hemp.

Ryan Seacrest made the announcement on his E! pre-show while interviewing Best Actress nominee Gabourey Sidibe, who didn't seem surprised by the news.

The 48-year-old Harrelson - who has long advocated for reforming marijuana laws - is up for Best Supporting Actor for The Messenger.

On Friday, he won the supporting-actor prize at the Spirit Awards.