Broad Backs

AUPerry

So, I have a broad back. I mean, it's not my favorite part of my body because broad backs aren't really too.. feminine. However, I have learned to be content with it. The only problem I have is that since my back is so broad that some dresses do not fit and I have to go a size up, and then get everything else altered.

So my question is, is there anything I could do to slim up my back?

I have been doing tons of cardio, and some back exercises 3 days a week (light weight, more reps)

Should I continue to just do this and hope for results or is there something more specific I should try?
Any advice to specific exercises that would help me out with this?

Thanks guys!