VIDEO: Watch Sia Perform 'Cheap Thrills' on Last Night's AMERICAN IDOL

There's never any "Cheap Thrills" when Sia performs! Below, watch her take the Idol stage for a unique performance of her new single!

Last night on AMERICAN IDOL, the Top Four finalists were announced, including MacKenzie Bourg, Trent Harmon, Dalton Rapattoni and La'Porsha Renae. After America's vote was revealed, Sonika Vaid was eliminated.

Next week, with the STAKES higher than ever, the finalists will perform three songs - one a judges' pick, another Scott Borchetta's pick and the third is each contestant's pick as a tribute to his or her hometown. Tune in Thursday, March 31 (8:00-10:00 PM ET live/PT tape-delayed) to see the Top Four return to their hometowns for the iconic IDOL homecoming, as well as which finalists make it to the finale. Also, IDOL judge Keith Urban will perform.

Image courtesy of FOX

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