Paris Hilton's beloved Chihuahua Tinkerbell has passed away.

The heiress shared the sad news on her Instagram, writing, "My heart is broken. I am so sad & devastated. After 14 amazing years together my baby Tinkerbell has passed away of old age. I feel like I've lost a member of my family. She was such a special & incredible soul. We went through so much together. I can't believe she's gone. I will miss her & think about her for the rest of my life. I love you Tinky, you are a Legend & will never be forgotten."

Being Paris Hilton's constant companion gave Tinkerbell amazing experiences most people will never get. The star recounted some of these moments on her Instagram, mentioning the dog's role in the reality series The Simple Life, her cameo in a Guess campaign, her appearance in an SNL monologue and when she hung out with Britney Spears.

For many fans, Tinkerbell was as iconic as the heiress herself. Paris thanked her supporters for the love in an emotional Facebook post.

"Thank you for all so much for your kind words & condolences," she wrote. "It's really helping me through this very sad & painful time. It feels good to know that Tinkerbell was loved by all &touched the lives of so many. She is truly missed. Thank you again. Love you all #RIPTinkerbell"

Those of us who've lost a pet understand how difficult this time is for Paris. She'll be in our thoughts.

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