You can view Millie in her classy & minimalistic maxi dress with side splits here.
You can't buy Millie's dress online at the moment but you can view it and the rest of the Loveshady collection here on the Sass & Bide website.
To see more of the dresses worn at the Baftas 2013 please check the Baftas label.
Item image via Sass & Bide.
