Is it rude to tell someone they look like a celebrity?

BumbleDeev
I was on instagram and i saw this girl and she reminded me of a celebrity so i commented it nicely "You kinda look like so and so" and she went "I dont care"
And then someone else replied to me telling me not to tell someone that they look like someone else because its rude.
Is it really rude? I've never seen it as rude before, I know if someone told me i reminded them of someone else I wouldn't be insluted. Thats just me though.
Updates
+1 y
The celebrity she looked like was Ariana Grande by the way
Is it rude to tell someone they look like a celebrity?
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