Style guru TIM GUNN took on the ALS Ice Bucket Challenge on the catwalk on Friday (05Sep14) during Project Runway's New York Fashion Week presentation. The 61 year old's reality Tv co-star Heidi Klum had the honour of dousing Gunn, who was dressed in a pinstripe suit and tie, in freezing cold water as part of the charity stunt, which aims to raise funds for motor neuron disease charity the ALS Association.