“Did you see me at Comic Con?!”
That’s the question Lupita Nyong’o asked her Twitter followers last night after she’d appeared on the panel for her new film.
But they probably weren’t expecting her to reveal herself as the pink Power Ranger who’d been running around the San Diego convention last week.
She posted a video of herself dancing and posing with other fans, who had no idea that they were actually meeting a Hollywood actress.
The 34-year-old is the latest in a long line of stars to attend the world famous event in cosplay.
Given Comic Con is a huge gathering of superfans from around the globe, it’s the only way celebrities can get around without being swamped.
And given Lupita Nyong’o is in Star Wars and the new Marvel film Black Panther, she’s likely to be top of people’s selfie lists.
She even managed to track down a figurine of Maz Kanata, her character in Star Wars.
In 2013, Breaking bad actor Bryan Cranston decided to conceal his identity with a mask – of his own face.
Image caption Bryan Cranston only revealed his identity when he sat down to talk about Breaking Bad
The same year, Doctor Who star Matt Smith disguised himself as Bart Simpson to avoid being recognised.
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A year later, Maisie Williams donned a Spider-Man mask to blend in with the other cosplayers.
And in 2015, Ryan Reynolds went with a Star Wars theme for his disguise.