User blog comment:Western Gen/Speculations for Season 12/@comment-108.29.58.169-20140427194113/@comment-1886172-20140427214248

They probably realized how awful her helmet looked in the Season 10 finale, and so they reversed it. My best guess is that they'll do with her what they did in Season 10, placing her character model in a Halo 4 map, like they did when she went to where York died. Either that or she'll be pure CGI.