Stefani Joanne Angelina Germanotta (/ËstÉfÉniË dÊÉrmÉËnÉtÉ/ STE-fÉ-nee jÉr-mÉ-NOT-É; born March 28, 1986), known by her stage name Lady Gaga, is an American singer-songwriter, record producer, activist, businesswoman, fashion designer and actress. Raised in New York City, where she lives, Lady…