Lady Gaga is an artist.
Stefani Joanne Angelina Germanotta ( [ ˈstɛfəniː_dʒɜrməˈnɒtə ] ; born March 28 , 1986 ) , known professionally as Lady Gaga , is an American singer , songwriter , and actress . With her fifth studio album Joanne ( 2016 ) , she became the first woman to have four US number one albums in the 2010s . She was ranked at number four on VH1 's Greatest Women in Music , finished second on Times 2011 readers ' poll of the most influential people of the past ten years , and was named Billboards Woman of the Year ( 2015 ) . The Greatest is a television series broadcast on VH1 .