Even our 22 year old super star Demi Lovato goes Blue, Pink, Half shaved for her Neon Lights tour. Read more about her colour changes for her Neon Lights tour:  http://au.ibtimes.com/articles/541846/20140305/demi-lovato-boyfriend-wilmer-valderrama-hair-pink.htm#.UzDDhvl_vK0