It is the most talked about hairstyle since Princess Leia's buns. But Daisy Ridley says Rey's new Star Wars hairdo is top secret.

Ridley, who was the breakout star of Star Wars: The Force Awakens, posted a video of herself working out at the gym but all anyone could notice was the pillowcase on her head.

"SURPRISE! It's #workoutwednesday cause I don't know if I have time to train Friday!," she captioned the video.

"Ran to the gym between different set ups so wore a pillowcase on my head to protect my REY HAIRSTYLE from Instagram's gaze."

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Fans were quick to point out that maybe Rey's new hairdo will give some indication as to who she is and where she is from.

"PLEASE (don't) tell me you are working out with Cinnamon Roll hair loll!!!" wrote one viewer.

Ridley is almost finished shooting her second Star Wars film.

We will have to wait and see whether her new hairstyle is integral to the plot or if she is just teasing fans.