Ketty Lester (born Revoyda Frierson; August 16, 1934) is an American singer and actress known for her 1961 hit single "Love Letters", which reached the top 5 of the charts in the US and the UK. She is also known for her role as Hester-Sue Terhune on the American television series Little House on the Prairie. In 2022, she was inducted into the Arkansas Black Hall of Fame. (Via Wikipedia)