In fact, when she first had to dye her hair blonde ... "I always dyed it dark in high school," she once told Elle. "I was devastated when I had to go blonde." As for bangs, Robbie is no stranger ...

She then posted a throwback photo in which she was seen sitting at a desk, sporting a classic school uniform and curly, dark hair with bangs. Kim said the picture was taken in the 8th grade.

Margot Robbie looks so different with strawberry blonde curtain bangs in the new trailer ... In fact, when she first had to dye her hair blonde for a role she was apparently "devastated." "I always ...