Ali Larter (L) and Hayes MacArthur Eric Charbonneau/Paramount via Getty Images Ali Larter and her husband, Hayes MacArthur, have been by each other's side for two decades. The pair first crossed paths in 2005 while filming the movie Homo Erectus and went on to pursue a relationship. "I told my boyfriend after three weeks that I wanted to marry him and that we could do it tomorrow," Larter told Cosmopolitan in 2007. "I look forward to that time when I'm home with babies." Larter and MacArthur announced they were engaged in 2007.