Whilst orange may be the new black, grey is definitely the new blonde. This metallic hair colour choice is growing in popularity, with many famous faces opting to take their blonde locks one step further to rock a sleek, silver do. This colour choice is bold and edgy, and could be the cool colour change you’ve been looking for to make the transition from beautiful blonde to sultry silver. Here are some examples of celebrities who have gone grey, and rocked it!