Stefani Joanne Angelina Germanotta Stefani Joanne Angelina Germanotta, better known by her stage name Lady Gaga, is an American singer, songwriter, and performance artist. She was born on March 28, 1986, in New York City, New York, United States. Germanotta is best known for her flamboyant costumes, provocative lyrics, and strong vocal talents. Germanotta has achieved enormous popular success with songs such as "Just Dance," "Bad Romance," and "Poker Face."