Blake Lively Proves She's a Huge Harry Potter Fan -- See Her Cute Manicure!

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Blake Lively is quite the Potterhead.

The 28-year-old actress proved she’s not your typical muggle, with a subtle snapshot of her Harry Potter-inspired manicure.

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The Gossip Girl alum took to Instagram on Tuesday and showed off her pink triangle nail art, which displayed the Deathly Hollows symbol – something easily missed without a wizarding eye.

"I solemnly swear that I am up to no good,” she captioned the picture.

This isn’t the first time the star has shared her love for the J.K. Rowling series.

After the death of Alan Rickman in January, Lively posted a Harry Potter illustration on Instagram along with her condolences.

"RIP Professor Snape. We will miss you," she wrote.

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The wife of Ryan Reynolds wasn’t the only celebrity to mourn the loss of the British actor. See other tributes in the video below.