Guess who? 90s pop star hasn't aged a day as she posts racy snap on Instagram

90s pop star Whigfield looks like she hadn't aged a day as she posed in a skintight leather catsuit in a new photo. The Saturday Night singer, whose real name is Sannie Charlotte Carlson, is now 55. She looked incredible as she slipped into the very skimpy garment while posing at a hotel window.