Great — here are practical places to buy yellow polka‑dot outfits like the ones you saw at Fashion Week Malaysia, with quick tips for each option.

1. Handmade / vintage / independent sellers (best for unique runway‑like pieces)

• Etsy — lots of handmade and vintage yellow polka‑dot dresses and sets; good for one‑of‑a‑kind or custom pieces. (Etsy.com)

2. Malaysian e‑commerce marketplaces (if you want the exact street / local looks shown at Malaysian fashion events)

• Shopee Malaysia and Lazada Malaysia — large selection of local sellers selling polka‑dot dresses, tops and coordinated sets; many listings ship within Malaysia and some sellers offer international shipping or will ship via freight/parcel services. (Example price listings and product searches appear on Shopee/Lazada). (my.biggo.com)
• Zalora Malaysia — carries Malaysian and regional brands (often higher‑quality ready‑to‑wear) and has polka‑dot items in rotation. (Zalora.com.my)
• TikTok Shop Malaysia — a fast way to discover homegrown brands and trending pieces (Mall/verified sellers often offer returns and seller guarantees). (malaymail.com)

3. Fast‑fashion & high‑street retailers (good for trend‑driven, affordable versions)

• ASOS, ZARA, H&M, Mango, Next, Boohoo, Shein — these sites regularly carry yellow polka‑dot dresses, blouses, jumpsuits and skirts in multiple price ranges and ship to the US. Example: Next carries yellow/white polka‑dot midis. (nextdirect.com)

4. Marketplaces for secondhand / curated vintage (for authentic retro runway vibes)

• Depop, Poshmark, Etsy (vintage shops) — search for “yellow polka dot dress” or “60s polka dot dress” to find true vintage pieces and statement looks. (Etsy.com)

5. Custom / local tailor or made‑to‑order designers

• Commission a local tailor or an independent Malaysian designer (many accept international commissions via Instagram/WhatsApp). If you want a runway replica, supply photos and fabric references — this yields the closest match.

How to search effectively (quick tips)

• Use search phrases: “yellow polka dot dress”, “yellow polka dot set”, “yellow polka dot blouse”, “polka dot midi yellow”, or add style cues like “puff sleeve”, “midi”, “wrap dress”, “vintage 60s”.
• Filter by “ships to United States” or “international shipping” when you’re on Malaysian marketplaces; for sellers that don’t ship internationally, use a parcel forwarding service in Malaysia.
• If you want an exact piece you saw at Fashion Week: identify the designer (check the fashion‑week show notes or Instagram post) and buy directly from that designer or their stockists — Zalora and TikTok Shop often stock Malaysian designers. (Zalora.com.my)

Safety & sizing checklist

• Read reviews and seller ratings, check fabric/content photos, and confirm return/shipping policies before buying (marketplaces like TikTok Shop Mall and Zalora advertise buyer protections). (malaymail.com)
• For vintage/handmade items, confirm measurements with the seller (US sizing can differ).

If you want, I can:

• Look up current yellow polka‑dot listings on any specific site (Etsy, ASOS, Zalora, Shopee, etc.) and send a short curated list with prices and shipping to the US.