When choosing your outfit you should always try to achieve balance between the upper body, the lower body and trying to define your waist.
What you need to remember is "size does not matter".
The outline of your body is what's important because it's your body outline that defines your shape, and not your actual size.
An hourglass body shape has a well defined waist but your shoulders & hips are of a similar wider width. Your best asset is your defined and proportioned body shape, so you need to enhance this and show it off.
![](https://i.ytimg.com/vi/tlSQpiB38_g/maxresdefault.jpg)