David Babaii was a professional hairdresser and stylist.He was considered one of its kind, and David had worked with many Americian film stars and celebrities. Kate Hudson was also one of them as she shares the devastating news on her Instagram post, addressing David as her best friend.Hudson collaborated with Babaii on their eco-friendly haircare line David Babaii for WildAid in 2008.Both of them were best mates, and the death of one has hit Kate a lot in terms of her mental health.