We may only be a few days into January, but a few of our favorite stars have already debuted some shocking hair transformations. Gone are the days of subtle layers and quick trims — if you're ready to make a drastic change in 2018, you'll want to see these looks. Ahead, check out Beyoncé's curly bob, Halsey's Marilyn Monroe-inspired pixie, and Gomez's first hair change since going blond a few months ago — and more.
Like what you see? How about some more R29 goodness, right here?