Well played, Karen Gillan! The 25-year-old Doctor Who actress surprised her fans at Comic-Con on Saturday, July 20, by wearing a red wig and revealing a newly shaved head.

Gillan, who is set to star in 2014’s Guardians of the Galaxy, posed on the Marvel Studios Press Line in San Diego, Calif. sporting shoulder-length red hair and parted bangs. But the hairdo turned out to be fake.

During the film’s panel, a fan pointed out that Gillan’s character Nebula is supposed to be bald. “Yeah, she is — and I might have done something a little bit crazy,” she said, as she pulled off her wig and revealed her bald head underneath. 

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“It’s liberating,” Gillan told the crowd, reports Just Jared. “I think everyone here should shave their heads.”

Tell Us: How do you think Gillan looks with a bald head?

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