Charlotte's outfit for roundtables

I don't know if I'm reading too much into it but Charlotte always seems to pick a similar outfit, just for the roundtables. It seems well through through - if you look at what she wears, the outfits are very disarming - dungarees, wool, flowers etc. It all adds into her non-threatening character

If she has thought through the accent, why not the clothes too? If so, well played!