So your fiancé obviously had good intentions but if you don't like a style that is ok. That is why buying clothes for others is tough. Until people try it on anyways you don't know if you will like it regardless.

I would just talk to him and tell him you really do appreciate that he got you a gift but reiterate it just wasn't your style. Also in the future telling your honest opinion about something is better. In addition, giving short responses can be seen that you are upset at him.

Always try to say something good about the attempt before you explain why you don't like it. It was a gift and you are engaged so these communication issues are extremely important.