Stefani Joanne Angelina Germanotta, Professionally known as Lady Gaga, Is A American Singer and Songwriter. She was born in March 28 1986 (age 30).
She started Adding her songs on Youtube since 2009. Her albums are The Fame (2008), The Fame Monster (2009) Born This Way (2011) Artpop (2013) And Cheek to Cheek (2014). Her Top 5 Songs are The Edge Of Glory, Born This Way, Alejandro, Pokerface and Bad Romance.