The short answer on White Feather Skirt: pick one anchor piece, keep the palette to two colours, and let the shoes decide how formal the whole thing reads. One piece should lead and the rest should stay quiet; two competing pieces read as an accident. Proportion does more than colour: volume on top wants something narrow below, and the reverse. A skirt that fits the waist can be shortened. One that fits the hip cannot be let out. The groups below run from the decision that matters most to the ones you make afterwards.

What decides this is waist fit, length and lining. Everything else is preference. Two from the first group show the range: Detoure's Beginning Boutique White Sequin Bustier & Mini Skirt Set (Like New) at $35, and Byrdie Golf's Terry Skirt at $85. The first is the easy entry point; the second is where the money goes. A skirt that fits the waist can be shortened. One that fits the hip cannot be let out. A lining is the difference between a skirt that hangs and one that clings. A higher price mostly buys materials and finishing, and occasionally it buys nothing at all.

Match the volume: full skirt, fitted top, and the reverse. From the second group, Detoure's Nasty Gal - Purple Sequin Skirt - US8 (Like-New) ($30) is the one that earns its place, because it works in more than one context without being restyled. The third group is smaller and deliberately narrower, skirts, for the decisions you make after the main one. None of this needs the whole group. One piece from each is usually enough.

There are 20 skirts here from 13 brands, $30 to $440, all in stock when this was written. We would not buy all of them, and neither should you. Detoure's Nasty Gal - Purple Sequin Skirt - US8 (Like-New) at $30 is the low-risk way in, and Casablanca's White Lace Tuck Stitch Mini Skirt at $440 only makes sense if this is a category you already use constantly. On white feather skirt specifically: the difference between the top and the bottom of this list is real but smaller than the price gap suggests. Nothing here is included because it is famous, and price is not used as a proxy for quality anywhere on this page. If you take one thing away: one considered purchase beats three hedged ones.