Audrina Patridge's teenage niece has died aged just 15 as tributes pour in for "sweet Sadie".
The Hills star's family have been left heartbroken by their loss, with the youngster's mum Casey Loza announcing the news in a heartbreaking post on Instagram.
"Writing this was the hardest thing I ever have had to do," she penned to her 80,000 followers. "Sadie Raine Loza has left this Earth for the heavens."