Board Thread:Spoilers!/@comment-2153169-20140908192157/@comment-24029015-20140924112709

Ah, but what we've seen of Anna only appears to be in flashbacks. If Anna dodged the curse and somehow wound up in the LWM, then she would have aged 28 years. Perhaps, if she does turn out to be the Snow Queen her hair would have turned blonde, like Elsa.