Dimitrios Kambouris/Getty Images
Jessica Derschowitz
April 06, 2016 AT 03:29 PM EDT

Blake Lively’s latest look is sure to enchant Harry Potter fans everywhere.

The actress posted an Instagram photo Tuesday proving she wears her Potter fandom on her sleeve — and her nails.

“I solemnly swear that I am up to no good,” she wrote, displaying the sign of the Deathly Hallows on her manicure.  

I solemnly swear that I am up to no good. 👞👞 👞👞 📜 👞👞👞👞

A post shared by Blake Lively (@blakelively) on


We think it’s manicure mischief very well managed.

Lively will appear next in The Shallows, out June 24. 

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