Stefani Joanne Angelina Germanotta, known by her stage name Lady Gaga, is an American singer-songwriter, record producer, activist, businesswoman, fashion designer and actress,Born: March 28, 1986 ,New York City, New York, United States Full name: Stefani Joanne Angelina Germanotta,Height: 5' 1" (1.55 m),Parents: Joe Germanotta, Cynthia Germanotta