Because why not, right?
Things we know about Sia — Australian-born, Grammy-nominated, amazing singer — and now apparently we can add 'big fan of Survivor' to that list.
As Hollywood Life reports, the 40-year-old artist surprised everyone, including the US show's host Jeff Probst, at the finale of the this season's reality competition when she yelled out from the studio audience, "Hi, I'm Sia!"
Probst stressed to the audience and those watching at home that this was not planned when he invited Sia on to the stage.
Sia took the allegedly unplanned stage-crash as an opportunity to address one of the finalists, Tai, who spent a large portion of his time on the show taking care of a live chicken.
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"I could not let Tai go home without saying that your authenticity and your care for animals really inspired me," Sia said to the stunned contestant.
"And so I want to donate $50,000 to you. I want to donate $50,000 to your choice of animal charity. And I just wanted to say thank you for showing America how to be kind to animals."
While we can't be sure if the whole thing was in fact planned, it's a hugely generous move on Sia's behalf regardless.
Plus, showing up on the finale of one of your favourite shows just because you want to is the dream, right?
Guess who's a big #Survivor fan & stopped by the green room before tonight's #SurvivorFinale? None other than, @Sia! pic.twitter.com/24syhPldT5
— SURVIVOR (@survivorcbs) May 19, 2016