A niece of The Hills star Audrina Patridge has died at the age of 15, it has been confirmed.
In a heartbreaking post on Instagram to her 80,000 followers and fans this evening - the teenager's mum led tributes to her daughter, saying "We will miss you dearly," writes The Mirror.
It reads: "Writing this was the hardest thing I ever have had to do. Sadie Raine Loza has left this Earth for the heavens."
She added: "Transformation is a better word than death. Her story will save countless lives, her memory will never be forgotten. Rest In Peace you brilliant starseed.
"You’re with your creator. We will miss you dearly. I love you."
Teen Mom star Taylor Selfridge was amongst the first to share their condolences, writing: "I’m so sorry Casey. Sending my love & prayers to you and your family."
Audrina commented on her sister's post, leaving two love heart and two crying face emojis. "I am so deeply sorry," replied one concerned follower.
Another added: "Oh my god, Casey. I am so sorry! That’s absolutely heartbreaking. I feel like I’ve watched her grow up into such a beautiful young lady.
"I’m so so sorry for your loss, I can’t even begin to imagine the pain you’re going through right now."
While someone else wrote: "Casey this news is unimaginable and I am in pieces hearing this is what your family is facing.
"If words could bring comfort I’d write to you forever, im so sorry…. Sleep in peace sweet Sadie girl."
Get the latest celebrity gossip and telly news sent straight to your inbox. Sign up to our daily Showbiz newsletter here.