Alexandra Wyman/WireImage.com 1 / 14
Alexandra Wyman/WireImage.com 1 / 14

Actor Danny Masterson and his long-term girlfriend, actress Bijou Phillips, have wed in Ireland.

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The stars, who appeared together in movies including "Made for Each Other" and "The Bridge to Nowhere," married at a private castle in Ireland's Tipperary countryside on Tuesday, in honor of Masterson's Irish heritage.

Phillips wore a Zac Posen bridal gown as she walked down the aisle in front of close family and friends, including actors Ben Foster, Mike Pena and Ethan Suplee, their representative confirms to People.com.

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Masterson's actor brother Chris served as best man.

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The pair, who have been dating for six years, became engaged in 2009.