Lil Bub, the perma-kitten whose droopy tongue and eyes that could vacuum in your soul made her one of the internet’s most beloved feline celebrities, has died, her owner said on Monday. She was 8.

Her unexpected death on Sunday, resulting from a bone infection, led a vast collection of fans to mourn her as if she were their own, having spent years awwing at her face. With millions of followers on social media, and a mini-empire of commercial appearances elsewhere, Lil Bub was, to many, as familiar as the kitten next door.

“Dearest BUB, I will never forget your generosity, your limitless supply of love, or your uncanny ability to bring so much magic and joy to the world,” her owner, Mike Bridavsky, said on Instagram.