Bridget MoynahanBridget Moynahan stars as Erin Reagan on CBS' Blue Bloods. Moynahan has starred in numerous Hollywood blockbusters, including "I, Robot," "The Recruit," "Serendipity," and "The Sum Of All Fears." On television, Moynahan portrayed Carrie's rival and M. Big's wife on "Sex And The City." Born in Binghamton, N.Y., and raised in Longmeadow, Mass., Moynahan now lives in Los Angeles. Read More Read Less