...unless of course, your name is Margot Robbie, which gives you lifelong immunity towards bad hair days - trust us, we've tried looking for cold, hard evidence with little success. Instead, the 26-year old Aussie actress continues to ace things in the hair department by effortlessly nailing what it takes to be DC Comics' supervillain Harley Quinn (crazy-fun pink-and-blue hair included), in the much-anticipated Suicide Squad (out in cinemas today) as she's obviously had enough practice over the years. Never one to shy from a beauty transformation, Margot has given us a run for our money trying to pick out our favourite looks to make this cut. Obviously the list goes on, but here's why these made it to the top of our beauty wishlist: