90s/Y2K prom and formal dresses like these, specifically brand names. I know that Helene Blake is one but I'm having trouble getting more info : r/findfashion
Vintage 2000s Y2k Prom Dress Sexy-retro-baby Blue - Etsy
Square Collar White A Line Mini Cocktail Dresses New Summer Zipper Back 2023 Y2K Homecoming Dresses Robes De Demoiselle D'honneu - AliExpress