Sienna Xiong
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Sienna Xiong is a model and beauty queen from Taiwan. She also competed at Miss Cosmo 2025. Follow her journey on Instagram (@sienna_xiong).
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| table.year | table.pageant_edition | table.represented_country | table.placement | table.action |
|---|---|---|---|---|
| 2025 | Miss Cosmo International | Taiwan | Contestant | table.view_edition |
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