Stefani Joanne Angelina Germanotta, known professionally as Lady Gaga, was born on March 28, 1986, in New York City. She began performing as a teenager, singing at open mic nights and acting in school plays. Gaga’s breakthrough came with her debut album, “The Fame,” released in 2008. The album included hit singles like “Just Dance” and “Poker Face,” which propelled her to international fame.