Louis Tomlinson Celebrates His Birthday with a Special Tattoo!

Louis Tomlinson just posted a photo of himself getting a brand new tattoo!

The One Direction singer — who turns 24 today — posted the pic on his Instagram account, and fans think the ink may be on his butt!

“Soooooo this happened ????,” Louis captioned the photo.

PHOTOS: Check out the latest pics of Louis Tomlinson

We hope Louis has a wonderful birthday, as well as Christmas holiday, with his family and loved ones!

“Family time :)” Louis captioned another photo of him and a super cute little boy.

See both photos below…