Verb:Cover or become covered with freckles: "skin that freckles easily"; "a freckled face".
sometimes because of sun, sometimes because it is the way you are born
Yes, she does. You can see it in some scenes of the Harry Potter movies as well as during some events. She wears a lot of makeup now to cover them up most of the time, but when she was younger you could tell more.See related links for a picture.