Target fat loss? Probably not? lol

Hello Loveley's!
Okay, so recently, over the past 1.5 year's I have gained about 15 pounds. I went on a medication that had weight gain as a side effect. So, here is the thing, I still eat mostly healthy... I know a lot about nutrition, and a decent amount about fitness, just being a person that does a crap ton of research.... butttt, on the other hand, I can always know more. Is there a way to target slight fat loss in some areas?
Here is why I am asking... from 22- 29 I was around 133-135 pounds (33-27-37). I am 5'6 and a half- 5'7sh, and I felt lean and healthy at this weight, working out about 5 days a week, aerobic walking, weights, and some body strength/ resistance stuff. Right now, I am 148, (33-29-39) I am super small up top, but I have quite a bottom.. I am still muscular, but not as much as I once was. I don't work out as often now, as I was religious 5-6 days a week, and now I am 3-4 days. My biggest issue is, I like certain aspects of my body now... I went from a 34 B to a 34 D, and I am so scared to lose the weight in my boobs. lol My BMI is still healthy... I dont look "fat" by any means ( i hate that word anyway)... I just want to tone up a bit... but I dont want to lose my chest. I know I can lose weight, and go back to the way I was... but kid of like my new body minus a few little areas... I'm assuming this isn't possible to target... but any suggestions?

Amanda =]