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Where to watch "Project Runway All Stars"
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4. Sink or Swim
2016 - Season 15
In the Heidi Klum Swimwear challenge, the designers create their own fabric to use in designing a stylish swimsuit.
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3. Blacklight or Daylight?
2016 - Season 15
In Project Runway's first Blacklight challenge, the designers have to create a look that sparkles not only in daylight, but under blacklights on the runway as well.