“I had white hair when I was 19. I think bleach can be addictive, and before long, you've gone too far with it and can't tell you've got a problem. It was over-processed and genuinely crispy, but I thought I looked amazing.”

Canadian comedian, writer, presenter, actress and singer

Katherine Ryan is a Canadian comedian, writer, presenter, actress and singer. She is known for her work on British television and radio, and for appearing on a wide range of panel shows and comedy programmes. Her credits include 8 Out of 10 Cats, Never Mind the Buzzcocks, A League of Their Own, Mock the Week, Would I Lie to You?, QI, Just a Minute, Safeword, and Have I Got News for You. In 2015, she took over as presenter of Hair on BBC Two. She has also acted in UK sitcoms such as Campus and Episodes, and starred in the Netflix series The Duchess.