The birth name of the artist known as Lady Gaga is Stefani Joanne Angelina Germanotta. She was born on March 28, 1986, in New York City. Stefani began studying music at a young age and showed a talent for singing and songwriting. Adopting the stage name Lady Gaga, inspired by the Queen song "Radio Ga Ga," she rose to fame in the late 2000s with her hit singles and unique artistic vision. Her music and persona have made her a significant figure in popular culture, promoting themes of equality and self-expression.