Question: Which singer's birth name is Stefani Germonatta?
Answer: Stefani Germanotta, better known by her stage name Lady Gaga, is an American singer and songwriter. Stefani Germanotta was born and raised in New York City until one day she hatched her on-stage alter-ego, Lady Gaga. Gaga is noted for her flamboyant and diverse contributions to the music industry via her fashion, live performances, and music videos. With global album and single sales of 27 million and 125 million, respectively, as of June 2014, she is one of the best-selling musicians of all time.