Article continues below advertisementRobert Duvall once opened up about finding lasting love with his fourth wife, Luciana Pedraza, after a chance encounter changed his life.The legendary actor, who went through three previous marriages, described those relationships as "part of the process of life" before settling down for good.Article continues below advertisementMeet-CuteSource: megaRobert Duvall met his fourth wife by chance in Argentina.He happily married Pedraza, 54 - who is much younger than him - in 2005 after almost a decade of dating.