http://knowdigest.com/563/local-female-politician-pretty-shes-probably-republican

Aside from the politics, it appears that women (at least their politicians) who are anchored with conservative beliefs tend to be perceived as more feminine. From that, they are seen as more beautiful.

intriguingly, their findings show that female Republicans appear to be more feminine than their female Democrat counterparts.

The site looks legit and its psychology oriented. The founders have degrees in psychology, so I don't think its political garbage.

http://knowdigest.com/about