'You Light Up My Life' Singer -- 'Memba Her? 'You Light Up My Life' Singer 'Memba Her? 3/12/2011 7:00 AM PT Pat Boone's daughter Debby Boone became famous for her 1977 hit single "You Light Up My Life." Guess what she looks like now! Share on Facebook Share on X Debby Boone non mobile Beauty Memba Them Music