The above shirts and pants are same size, what I have done is changed the colour combination.
Lets look at the trousers, the black trousers will visually give a slimming effect because lighter colours expand and darker colours contrast. So if you are heavy from lower body like Triangular body shape / Round body shape / Large Rectangular body shape / Large Hourglass body shape shape
Same rule applies to the shirts. If you have a fuller bust or midriff variation opt for dark colour shirts (or blousons preffered)
A darker top / bottom will always reduce the size of that part of your body, its colour perception or as I like to call it Deceptive styling 🙂
As discussed here, Inverted Triangular body shape women have heavier and / broader upper body.
The trick is to use simple clean lines for tops. Invest in straight fits, wrap tops, prints that run almoner the top and not just highlighting the shoulders / chest.
When you are heavy busted , make sure that the garments flow over your bust seamlessly.
Avoid turtle neck collars, cowl collars, or design details like buttons or any other design work which focuses the heavy bust.
Invest in Solid blousons where the fabric flows over the body, wear necklines which are a comfort fit and wear prints & patterns that run through out the top and not just bust area.
For tips on Necklaces for Heavy busted women , you can read the blog here.