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J.K. Rowling, and Emma Watson

David M. Benett/Getty Images for Lumos

We wonder what kind of spell there is to create your own doppelgänger?

Harry Potter star Emma Watson posted a twitpic of herself standing nearly frozen next to a waxwork version of Hermione Granger at a charity bash author J.K. Rowling held Saturday night in London at the Warner Bros. Studio Tour — The Making of Harry Potter.

"Still got it," the 23-year-old actress wrote in the caption, an apparent nod to the wax version of her big-screen alterego from The Goblet of Fire.

Per the U.K.'s Daily Mirror, Watson was among several alums from the Harry Potter movies that turned up to help Rowling raise nearly $1.6 million for her Lumos charity, which supports disadvantaged children around the world who are forced to live in sub-standard orphanages.

Emma Watson

Twitter

Also in attendance were Alan Rickman (Professor Snape), Evanna Lynch (Luna Lovegood) and Warwick Davis (Professor Flitwick).

"Since setting up the charity eight years ago the help change the lives of so many children living unnecessarily in appalling institutions across the world, Lumos has already helped governments to take nearly 12,000 children out of these institutions," Rowling said.

Celebrities including Hugh GrantStella McCartney and Richard Curtis also did their part by taking part in an auction and bidding on goodies including a trip to the opening of the Wizarding World of Harry Potter in Japan in 2014 as well as a pencil and ink drawing by Rowling of the Sorting Hat.

Since the end of the blockbuster franchise, Watson has kept busy, starring in such films as The Perks of Being a Wallflower, The Bling Ring and making a hilarious cameo in this summer's apocalyptic comedy This Is the End. She next appears on the big screen in Darren Aronofsky's Noah.

As for more Harry Potter, it's extremely doubtful Emma will be popping up in Rowling's Potter-inspired movie franchise, Fantastic Beasts and Where to Find Them, for which the famed scribe is currently writing the screenplay. That's because Rowling is setting the spinoff 70 years before Harry's adventure with Hermione even got underway.