Yeah i think they both model for asos but Nicole has longer hair and Sumi short hair. Also, Sumi is asian. I saw Nicole on the asos website too. They might look similar because of the bangs but if you look at them modelling for asos, they are quite different
http://www.urbanoutfitters.com/urban/catalog/productdetail.jsp?id=28596252&parentid=WOMENS_ACCESSORIES I know she's brazilian but i just cant remember her name!! please??