Prudence Anne Villiers Farrow Bruns (born January 20, 1948) is an American author, meditation teacher, and film producer. She is the daughter of film director John Farrow and actress Maureen O'Sullivan and younger sister of actress Mia Farrow. Farrow is the subject of the Beatles song "Dear Prudence," which references her time studying Transcendental Meditation in Rishikesh with the Beatles in early 1968.