Great — here are solid places to buy trendy clothes online in Singapore, with a short note on what each is best for and a few quick tips.

Top online fashion retailers / marketplaces

• ZALORA — Singapore’s leading pure-play fashion marketplace with a wide range of local and international brands, fast delivery and fashion-focused promotions. (sitegiant.sg)
• Shopee — huge marketplace with many trend-led sellers, frequent flash sales and very competitive prices (good for bargains and variety). (sitegiant.sg)
• Lazada — another major marketplace with a broad fashion selection and reliable logistics (LazMall for trusted sellers). (sitegiant.sg)
• ASOS — international trend-led retailer popular with younger shoppers; ships to Singapore (good for up-to-date trends and inclusive sizing). (brandradar.org)
• SHEIN — ultra-affordable, fast-fashion site with a large range of on-trend pieces (watch sizing and quality). (brandradar.org)

Local / regional brands and boutiques (stylish, trend-forward)

• Pomelo — Southeast Asian label focused on trendy, fashion-forward pieces and regular drops.
• Love, Bonito — popular Singapore womenswear brand with contemporary, wearable styles.
• The Editor’s Market — minimalist, modern pieces and a popular local chain/online store.
• Naiise — curated local designers and lifestyle pieces (good for distinctive Singapore-made finds).

Pre-loved and resale (sustainable & budget-friendly)

• Carousell — classifieds/marketplace for new and secondhand fashion (very widely used in Singapore).
• Refash — recommerce platform focused on preloved women’s clothing. (en.wikipedia.org)

How to choose where to buy — quick tips

• If you want the latest trends fast and cheap: Shopee, SHEIN, ZALORA. (sitegiant.sg)
• If you prefer quality, reliable returns and brand selection: ZALORA, Lazada (LazMall), ASOS. (sitegiant.sg)
• For local design and better sustainability: Love, Bonito, The Editor’s Market, Naiise, Refash. (en.wikipedia.org)

Practical things to watch for

• Sizing: Asian/UK/EU/US sizing differs — check each store’s size chart and measurements.
• Shipping & returns: Look for free-shipping thresholds, delivery times and return windows (ZALORA/Lazada/Shopee often have fast local options). (sitegiant.sg)
• Payment options: Most accept credit cards, PayPal, and local options (Shopee/Lazada may offer in‑app wallets and promotions). (sitegiant.sg)

If you tell me the style you like (streetwear, minimalist, vintage, officewear) or your budget, I can highlight the best 3–4 stores from the list for you.