Lady Gaga is an artist.
Lady Gaga . With her fifth studio album Joanne ( 2016 ) , she became the first woman to have four US number one albums in the 2010s . With global album and single sales of 27 million and 146 million respectively , as of January 2016 , she is one of the best-selling musicians of all time . The Greatest is a television series broadcast on VH1 .