Hmm, I don't mean to hinder the process but Colette has much grayer/bluer eyes, and her lips look a bit different to me.
However, this may help:
style.it via Magnus
The girl to the left seems to be her, and it seems they did not dye her hair.
style.com identifies her as Leticia Alterbernd @ Metropolitan but I cannot find any such model on their site.
They identify they other model in the gold headpiece as Ana Carolina Reis @ Metropolitan, which does, however, seem to fit, more so than Brandi