Megan Fox had all the makings of a mega-star, so what happened? One theory: her marriage to actor Brian Austin Green held her back. We've got the evidence. Brian Austin Green, Actor: Beverly Hills, Brian Green was born on July 15th in Van Nuys, Megan Fox Shares Rare Photo of Son Journey River GreenBorn: Jul 15, Relationships are not always perfect. Just ask Brian Austin Green.. The actor, who has been with fellow actress Megan Fox for more than a decade, recently got candid about his 7-year-marriage and the nature of long-lasting unions overall.