Probably because Keeley is classically gorgeous, while Rachel is more quirky looking.

The answer was in the next sentence:

"Women who dye their hair blonde quickly take on these attributes, experts found

The findings about aggression are contained in research by the University of California, to discover whether women who are judged more attractive than others are also more likely to lose their tempers to get what they want".

keeley is a real sight for sore eyes after cameltoe and scabby

Oddly, they could BOTH be mistaken for pushy travel agent types. Neither appeal much to me. Rachael is 'mark 2' Rachael and may prove very annoying. Keeley is a potential poison dwarf (fat legs too). Don't think there has been a really hot girl this year.....Rachael 1 was the nearest. Hope Iffy goes this week too!!