Clearly. You can appreciate a beautiful horse and not want to ■■■■ it! 
But that’s not the topic. The topic is why do most humans around the globe naturally feel desire towards some physical traits without any need of learning. That’s biology.
After that, there are layers superimposed upon our natural instincts coming from different sources, like the culture where we developed, passing fads, group trends, etc. For instance, thin eyebrows where a thing a while back. Then, the trend became thicker eyebrows. This is an example of a passing fad. They add to biological drives. There’s also individual preferences. Some people prefer dark hair, others dark skin, etc. Some prefer counterparts more meaty, others more skinny. Then add fashion, social status, etc.; into it and we’ll find an incredible diversty of preferences.
All these factors combine.
However, there are basic features appreciated by the overwhelming majority, like those I described in my earlier post, by the reasons explained, that don’t change. We can’t consider gross deviations to the norm as representative, like we can’t consider someone who was born with no arms as representative of our species, invalidating what is normative as being such. Just because someone is born blind, you can’t say that blindness is a human trait. It’s not, something went wrong. That blind person was supposed to see, if something abnormal hadn’t occurred. That’s the same for people who have a preference for the morbidly obese. These people exist, but something went wrong in their development. They should prefer healthier bodies, but something went wrong. There’s people who like to ■■■■ the corpses. It’s called necrophilia, one among many paraphilias in existence. These are all deviations to the norm. Some are harmful, others are not, but none of them represents normative human preferences. If we generalize from these outlier cases, we are committing an informal fallacy. That’s what I pointed out earlier. In some cases, rare circumstances lead to scenarios that very much differ from what is mostly occurrent and, in this particular case, can’t be used as a way to invalidate what the norm is. On the matter at hand, that men prefer women with a curvy body and well developed secondary sexual characteristics. In a nutshell, big boobs sell for a reason.