Justin Bieber tweets about death of 6-year-old fan known as Mrs. Bieber

Justin Bieber is heartbroken today after one of his youngest fans, 6-year-old Avalanna Routh – who was better known as Mrs. Bieber – died of cancer. The “Boyfriend” singer tweeted a sweet message about the Boston girl on Wednesday afternoon, writing, “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. I love you.”

About an hour later, he wrote, “please show respect to her and her family. say a prayer for her and for them. I miss her.”