IE 11 is not supported. For an optimal experience visit our site on another browser.

Girl befriended by Bieber loses cancer battle

03:11

A 6-year-old girl who became known nationally as “Mrs. Bieber” has lost her fight against brain cancer. Avalanna Routh made headlines when friends got the hashtag #mrsbieber trending to help spread her love for her pretend husband. NBC’s Tamron Hall reports.