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Sia Makes Surprise 'Survivor' Appearance, Donates $50,000 to a Finalist

Tai Trang, Sia and Jeff Probst during the Survivor live reunion show broadcast from Los Angeles on May 18th on the CBS Television Network.   

Kaôh Rōng finale, an unexpected celebrity guest changed the life of a cast member, all because of...a chicken?

During third-place finisher Tai's speech, an audience member shouted "Jeff!" multiple times. Moments later, that audience member made her way towards the stage where the cast members looked on blankly. The instantly recognizable Sia, in a blunt-cut black and platinum wig with a black hat, walked onto the stage where Jeff Probst and the

Kaôh Rōng cast were wrapping up this season's final tribal council.

"I could not let Tai go home without saying that your authenticity and your care for animals really inspired me," Sia said to Tai. "And so I want to donate $50,000 to you, and I want to donate $50,000 to your choice of animal charity. And I just want to say thank you for showing America how to be kind to animals."

Tai, a gardener and beekeeper from San Francisco, protected and befriended a chicken named Mark for the duration of his

run, inspiring numerous fan threads and a parody Twitter account documenting Tai's relationship with Mark and the chicken's stressful life on the Cambodian island.

"We cannot be so human-centric, because without everything, the whole-ecosystem, we will be doomed sooner than we think we will be," Tai said after Sia's enthusiastic statement.

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after Sia's surprise appearance. "[I] honestly don’t think of Sia as a pop star, even though she is a global phenom. I know her as my friend who is so passionate about the rights of all humans and animals. Whether it’s LGBT organizations or a random chicken on

, Sia is someone who really cares deeply about equal rights and being a good person regardless your status in life. She’s a really kind soul who happens to write amazing music."

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