Instead of just asking for an autograph or a selfie when running into their idol, some fans take it the extra mile and ask the celebrity to design a tattoo for them.
Many die-hard supporters want to immortalise their meeting with an inking, but not every star is a dab hand with a Sharpie on the street.
Daniel Radcliffe made it clear he doesn't fancy moonlighting as an artist during a recent interaction with a fan in New York City.
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Take a look here:
The actor, 34, is currently back on Broadway for his starring role in the musical Merrily We Roll Along.
When he has the opportunity, Radcliffe often greets waiting fans by the stage door to sign autographs and say hello.
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In a clip shared on TikTok by @radcliffersplace, the Harry Potter star was seen busily singing programmes for a long line of supporters after wowing them on stage.
But no matter how many amazing roles he has, he will always be the boy with the lightning scar to some people.
One bloke plucked up the courage to ask Radcliffe to design an inking for him that was inspired by his Hogwarts days.
He asked: "Would you also be able to draw the Deathly Hallows symbol for a tattoo?"
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Potter heads will already be well aware of the triangular shaped logo with a circle and straight line inside it.
There was a brief phase in time where this overtook the infinity symbol as the most popular tramp stamp, and apparently it seems to be making a comeback.
Radcliffe looked visibly concerned by the request and exclaimed: "Oh my god!"
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He then begged the hardcore Harry Potter fan not to get the tattoo, but it wasn't because he disapproved of the inking.
The actor is simply just more comfortable with a wand in his hand rather than a tattoo gun - or just a pen, for that matter.
The wizarding wonder explained his sketching skills weren't half as good as his theatrical talents.
Radcliffe explained: "Dude, don't get this tattooed my handwritings so bad! My drawing is so bad!"
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The fan insisted he 'didn't care' about his artistic ability, leaving the star to shakily draw the symbol, while critiquing himself along the way.
After finishing his sketch, he added: "You don't want this! See, you don't want that. It's terrible!
"Get one of the other cast members to do it, they're much more talented at drawing than I am."
The grateful fan was still impressed by the Deathly Hallows design, which the actor managed to complete in just five seconds.
To be fair - I'd need a ruler and a compass to get that done.
Social media users thought the interaction was hilarious and praised him for giving it a go - despite being under pressure.
I for one can't wait to see how the tattoo looks - sketching designs could end up as Radcliffe's new side gig if his work ever dries up.
Topics: Daniel Radcliffe, Harry Potter, Social Media, TikTok, TV and Film