760 × 570
Source:https://www.etsy.com/listing/1226923958/royal-blue-sweetheart-satin-long-prom
800 × 600
Source:https://www.mychicdress.com/products/royal-blue-satin-bridesmaid-dresses-mismatched-sweetheart-satin-dresses
1024 × 768
Source:https://www.sheergirl.com/products/a-line-sweetheart-neck-royal-blue-satin-long-prom-dresses-apd2750
900 × 600
Source:https://www.showprettydress.com/products/glamorous-royal-blue-sweetheart-prom-dress-mermaid-long-evening-gowns-with-split
760 × 570
Source:https://www.etsy.com/listing/1226924404/royal-blue-sweetheart-satin-prom-dress
800 × 600
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800 × 600
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1345 × 1080
Source:https://www.dhgate.com/product/royal-blue-satin-prom-dresses-with-sweetheart/550075802.html
1024 × 768
Source:https://dresstby.com/products/simple-sweetheart-neck-satin-blue-long-prom-dress-blue-long-formal-dress
600 × 487
Source:https://www.loveangeldress.com/products/royal-blue-satin-prom-dresses-with-ruched-sweetheart-bodice