If we had to take a guess,Gary Eberhart Archives Kesha probably had the most fun on Halloween this year. Who else do you know got a tattoo because of it?

The singer spent the night out with friends in a seemingly low-effort costume: a narwhal onesie.

SEE ALSO: Heidi Klum cloned herself for Halloween this year
View this post on Instagram

She must have had one hell of a night in that costume, though, because the singer decided to permanently commemorate the comfortable narwhal with some new ink.

Mashable Trend Report Decode what’s viral, what’s next, and what it all means. Sign up for Mashable’s weekly Trend Report newsletter. By clicking Sign Me Up, you confirm you are 16+ and agree to our Terms of Use and Privacy Policy. Thanks for signing up!
You May Also Like
View this post on Instagram

We shouldn't be surprised - this isn't the first time Kesha had a tattoo-worthy experience with aquatic life.

Remember when the singer met her whale shark spirit animal, they became instant best friends, and she had his likeness tattooed on her hand?

View this post on Instagram

She's got a theme going on.

Keep doing you, Kesha. We can't wait to see what sea creature comes next.

BONUS: Rate your Halloween party.

View this post on Instagram