Lady Gaga is a dancer.
Alejandro (song) . Within the video , Gaga dances with a group of soldiers in a cabaret , interspersed with scenes of Gaga as a nun swallowing a rosary and near-naked men holding machine guns . Stefani Joanne Angelina Germanotta ( [ ˈstɛfəniː_dʒɜrməˈnɒtə ] ; born March 28 , 1986 ) , known professionally as Lady Gaga , is an American singer , songwriter , and actress . A follow-up EP , The Fame Monster ( 2009 ) , was met with a similar reception and the singles `` Bad Romance '' , `` Telephone '' , and `` Alejandro '' were also successful .