Photo: Angela Weiss/AFP/Getty; Amy Sussman/Getty

Emma Watson is having fun with being mistaken forEmma Roberts.
On Instagram Wednesday, Watson, 31, joked about the accident, sharing the photo of Roberts, now 30, andwriting, “I was NOT this cute, @emmaroberts #emmasistersforever,” and including a laughing emoji.
The official HBO Max account made a jokingPotterreference in the comment section: “Are we sure this wasn’t the effect of a Polyjuice Potion?”
HBO Max addressed the issue days after the special premiered on Saturday. “Well spottedHarry Potter fans! You brought an editing mistake of a mislabeled photograph to our attention,” producers for the special said in a statement, according toDeadline. “New version is up now.”
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Outside of her Potter fame, Watson has starred in films likeThe Perks of Being a Wallflower,The Bling Ring,Beauty and the BeastandLittle Women. She’s also dedicated her time to activism,serving as a UN Women Goodwill ambassadorandworking with Time’s Upon a workplace sexual harassment hotline.
Roberts found her breakout on Nickelodeon’sUnfabulousand has become known for her performances inAmerican Horror StoryandScream Queens, as well as films likeScream 4andHolidate.
Emma Roberts and Emma Watson in 2007.Jo Hale/Getty Images

In November, Watson wrote on Instagram abouthow muchPotterhas meant to her life.
“Harry Potterwas my home, my family, my world and Hermione (still is) my favorite fictional character of all time,” she said. “I think a journalist once said it was irritating how many times during an interview I mentioned how lucky I was and started counting… BUT I DAMN WELL KNEW!!! And still know.”
“I am proud not just of what we as group contributed as actors to the franchise but also as the children that became young adults that walked that path. I look at my fellow cast members now and I am just so proud of who everyone has become as people,” she continued. “I am proud we were kind to each other that we supported one another and that we held up something meaningful.”
source: people.com