Avalanna Routh, a brave 6-year-old whose adoration of pop star Justin Bieber earned her the nickname "Mrs. Bieber," has lost her fight against cancer. "Our darling Avalanna went to Heaven this morning. Oh Avalanna, the brightest star – you took our hearts with you, our greatest Love," was posted to her Twitter account early Wednesday. … Continue reading 'Mrs. Bieber' Avalanna Routh dies at age 6