Looking at her photos over the years, she was very attractive when she had her hits around 2006 or so. Then she gradually gained weight and appeared to have gone butch for a while. Now she has gone away from the butch look, grown her hair, but has "shaped" her weight to capitalize on the "slim/thicc" look that seems to be in vogue these days. I don't know. Of course I was attracted to the Nelly of 2006. But I do have to admit that she is kind of hot in a certain way in these recent videos. I find both traditionally slender/fit women as well as the thicc women attractive. But what is definitely NOT attractive is the butch look.
Someone said that Portuguese women are usually not like this. I think Nelly is trying to appeal to the hip hop crowd. Maybe she got a BBL.
