Latin is an ethnicity not a race, and there are many subdivisions
There are white skinned, blue eyed Latin people with European surnames just like there are dark skinned Latin people with surnames like Lopez, and some blonde blue eyed with Lopez as a surname too
Its perfectly OK that she does not speak Spanish but... what is NOT good is that NBC tries to use her as a Hispanic artist in "The VOICE" when the only thing Hispanic she has is her last name