The eclectic group of performers rocked an even more eclectic array of instruments for the lively rendition of the classic, oft-covered song "Iko Iko," and they even found a giant domino to use as a chair! But, really, we cannot get over the wigs.
href="http://www.etonline.com/news/176883_adele_jimmy_fallon_and_the_roots_perform_hello_with_classroom_instruments_and_it_flawless/" target="_blank">WATCH: Adele, Jimmy Fallon and The Roots Perform 'Hello' With Classroom Instruments and It's Flawless
It's just the most fun musical number you're going to see this week. Also, it just went to show you that no matter what hair style or outfit Portman wears, she always looks absolutely flawless.
Later in the episode Sia brought the house down with a performance of her song "Cheap Thrills" off her upcoming album This Is Acting, which comes out on Friday.
The Tonight Show Starring Jimmy Fallon airs weeknights at 11:30 p.m. ET/PT on NBC.
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