Stefani Joanne Angelina GermanottaĀ (born March 28, 1986),Ā known professionallyĀ asĀ Lady Gaga, is an American singer, songwriter, and actress. Known for her image reinventions and versatility across the entertainment industry, she is an influential figure inĀ popular music. With estimated sales of 124Ā million records, she is one of theĀ best-selling music artists of all time. Publications such asĀ BillboardĀ andĀ Rolling Stone have ranked her among the greatest artists in history. After signing withĀ Interscope RecordsĀ in 2007, Gaga achieved global recognition with her debut album,Ā The FameĀ (2008), and its reissue,Ā The Fame MonsterĀ (2009). The project yielded a string of successful singles, including "Just Dance", "Poker Face", and "Bad Romance", making her...