He rose to fame during the second series of the German X Factor show , which he won in December 2011 .
David Pfeffer ( born April 11 , 1982 ) is a German singer .
David Pfeffer rose to fame during the second series of the German X Factor show , which David Pfeffer won in December 2011 .
David Pfeffer ( born April 11 , 1982 ) is a German singer .