Narrow Width Girls Shoes How To Make My Shoulder Width Narrower Or Shorter?

How to make my shoulder width narrower or shorter? - narrow width girls shoes

First, I'm a girl.
My height is approximately 175cm (5'9 ") with a weight of 62.5 kilograms (24.6 lbs.) O 63 kg (24.8 lbs)
My Ectomorph somatotypes is, but with a larger (due to the consumption of junk food).
My current shoulder width approx 39cm (15.4inches).
My body are here:
Bust: approx 78cm (30.7inch)
Hips: approx 91.5 or 92 cm (36 or 36.2 inches)

A few questions:
Can I use an 35cm 13.8inch () broad shoulders?
If I have a 35cm 13.8inch () shoulders, it makes my eyes proportions of the body, like a pear?

I have 3 questions, please answer all of them if possible and not be rude!
Thank you very much! :)