LOS ANGELES -- Actor Woody Harrelson has married long-time girlfriend Laura Louie in Hawaii, reports said Tuesday.

The 47-year-old star of "Natural Born Killers" tied the knot at a ceremony on the island of Maui on Monday attended by family and friends, reports said.

Harrelson and Louie, 43, have been together for two decades and have three daughters together, Makani Ravello, 2, Zoe Giordano, 12 and Denni Montana, 15.

Harrelson, who received an Oscar nomination for his performance in "The People vs Larry Flynt", most recently appeared in Will Smith drama "Seven Pounds."