(born July 23, 1961) is an American actor, activist and playwright.
He is a two-time Academy Award nominee and has won one Emmy Award out of seven nominations.
The couple tied the knot in front of an intimate crowd, which included Owen Wilson, Willie Nelson and Sean Penn.
Pal Alanis Morissette sang a song at the ceremony, Us Weekly reports.
Some notable film characters include basketball hustler Billy Hoyle in White Men Can't Jump, one-handed bowler Roy Munson in Kingpin, Haymitch Abernathy in The Hunger Games film series, Tallahassee in Zombieland, serial killer Mickey Knox in Natural Born Killers, magazine publisher Larry Flynt in The People vs.
Larry Flynt, and country singer Dusty in A Prairie Home Companion. Larry Flynt and The Messenger, Harrelson earned Academy Award nominations for Best Actor and Best Supporting Actor, respectively.
No word on what made the twosome finally decide to make things legal.
The couple, who reside in Maui, often blog about their life on Voice Yourself.com, a site they co-founded which encourages organic living.
Louie and Harrelson have three daughters - Deni, 15, Zoe, 12, and Makani, 2, who they referred to as their "goddess trilogy" after the birth of Makani.Harrelson, 47, has called Louie "the wife" on several occasions in the past.