Justin Bieber mourns death of fan
London: Teen sensation Justin Bieber is mourning the loss of one of his youngest fans Avalanna Routh, who died after battling a rare and aggressive form of cancer.
According to femalefirst.co.uk, the 18-year-old is heartbroken after learning that one of his biggest fans Avalanna Routh, 6, passed away Wednesday.
Routh had also nicknamed herself "Mrs. Bieber" after meeting the singer in February.
Bieber posted on his Facebook and Twitter page: "Just got the worst news ever. One of the greatest spirits I have ever known is gone. Please pray for her family and for her. RIP Avalanna."