Ariana's newest inky addition joins her previous tattoos: the words "mille tendresse" on the back of her neck (a Breakfast at Tiffany's quote that means "a thousand tendernesses"), "bellissima" (in honor of her grandfather, it's Italian for beautiful) on her rib cage, and a little heart on her foot.
Ariana showed off her new ink, writing on Twitter: "moon baby" and linking to the Instagram pic, which was captioned with a moon emoji.
What do you think of Ariana's new tattoo? What do you think the meaning is behind it?
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Gallery | Best of Ariana Grande Memes