Now, THIS is a birthday suit! Kathy Griffin just celebrated her 65th birthday in the most iconic way! She had an appearance on Sherri Shepherd's talk show Sherri on Tuesday - her actual b-day - and decided to surprise the host by strutting out in nothing but a teeny bikini! Sherri screamed at the reveal: "Oh. My. God." Hah! Related: Kim Kardashian Goes NUDE For Magazine Shoot Kathy relished in cheers from the crowd as she did a spin for the audience, telling fans to "take a look" at her booty and joking she was "shaking my cellulite for you." Sherri gushed: "You look amazing.