Katy Perry has never been shy about her love for Hello Kitty, so we weren't too surprised when we saw she got a tattoo of the famous cat on her middle finger. We're talking about the girl who has a smiley faced peppermint tattooed on her ankle.

The singer, who recently celebrated her 30th birthday, shared a photo of her new ink on Instagram and teased, "Does this make my gang signs look soft?"

katy perry hello kitty

But Katy's not the only one with an obsession with Hello Kitty — we've rounded up 8 other stars who are also big fans. Check 'em out!