Stefani Joanne Angelina Germanotta, known professionally as Lady Gaga, is an American singer, songwriter, and actress born March 28, 1986, in New York City. Known for her flamboyant costumes, provocative lyrics, and strong vocal talents, she achieved enormous popular success with hits like "Just Dance," "Bad Romance," and "Poker Face." She has won multiple Grammy Awards and an Academy Award for Best Original Song.