Actually, Andariel and the Blade Queen do have quite a resemblance, and Andariel's figure is also fantastic, the key being that she wears very revealing clothing.
But the pressing issue is that Andariel's Demon God Projection is just too ugly to look at directly. It's a real wonder why the God of Destruction would entertain more than a friendly relationship with this creature. Of course, maybe demons have a different standard of beauty, and by their measure, she might be considered beautiful.
However, looking at her rough and rugged face, resembling that of a muscular man, together with the four spider legs on her back that are even thicker than her arms, completely ruins the aesthetic of her fine figure, prompting no man to feel even a ripple of desire.