How are Hispanics and/or Latinos treated in the U.K.?

I noticed that they treat Hispanics and/or Latinos as if they were a race in the United States. For example, Christina Aguilera was born to an Ecuadorian father of Spanish descent and a American mother of German, Irish, Welsh, and Dutch descent. Both of her parents are white, yet people are surprised she looks the way she does simply because her father comes from Ecuador. So, they say people like Christina and Cameron Diaz are biracial . . . even though both of their parents are white. They are also surprised when there is a Hispanic and/or Latino of African descent, thinking that all Hispanics and/or Latinos are mixed of a European and indigenous background (they imagine them all to look like George Lopez). While many are, there are also many who are not.

Some of them (not all) also think those who are ethnically Portuguese, Spanish, Italian, and some times even French are not white as well. Some of them say that they are too dark . . .

Is it the same way in the U.K.? I only asked because Kaya's mother is a Brazilian of Italian descent. I also thought it would be interesting to see how people in the U.K. think.