Brigitte Nielsen (born Gitte Nielsen; July 15, 1963) is a Danish actress, model, singer, and television personality, who began her acting career with appearances in the 1985 films Red Sonja and Rocky IV. She is also known for her marriage to Sylvester Stallone (1985-1987) and subsequently appeared with him in the 1986 film Cobra. She then was noted for her widely publicized breakup with Stallone in 1987, and her subsequent relationship with New York Jets defensive end Mark Gastineau from 1988 to 1990. She's also known for her relationship with…