Janelle Monet in black and white. Coco Chanel in a LBD. James Brown in a 3 piece suit. All people in uniforms that we instantly associate with their brands. We all recognize everyday people who like something that works for them and sticks to it. It may be looked down upon when not executed properly, but a "uniform" can be useful for your wardrobe for a few key reasons.
Top- Walmart (similar) Skirt- F21
Stated plainly, you like what you like. When you are drawn to something, the transition to break it in is much easier. The added bonus in this is that even if you go outside of your "uniform", the pieces still work in different looks because they have already passed your initial standard.