The 17-year-old star although didn't seem to point out the fact that she changed up her look and captioned the hair-reveal post with "just landed in london and i want some chocolate milk."
Oh, how we love you Billie!
It really is quite the change for the "bad guy" singer who usually rocks her natural hair length.
We are however used to her switching up her hair colour and we are here for every single one of them.
What do you think of Billie's new hair? Let us know on Facebook.
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