Gladys Knight says she has not had plastic surgery. If you have seen pictures of Gladys Knight in the last few weeks you can see that she looks fabulous! (Click below to see what I mean) Remember the saying “good black don’t crack?” Well that is a perfect saying for Gladys Knight. Gladys was looking so good rumors started circulating about her having plastic surgery. Well Gladys has a response to that… Check out what she said.