It looks like she has white earlobes. She still looks more like a Welsummer to me than a Brown Leghorn, but since a Red Pearl Star Leghorn is a hybrid--(Partridge Rock / Sussex cross)--that might very well what she could be. I think you should be able to tell soon once she lays. Leghorns will lay white eggs, Red Pearl Star Leghorns will lay creamy white eggs, and Welsummers, of course, will lay dark brown eggs.Is she a welsummer? We were told she could be a red pearl star leghorn but they weren't 100% positive