Jimmy Fallon, Sia, Natalie Portman & The Roots Sing “Iko Iko” Because Why Not

Jimmy Fallon has a knack for bringing all sorts of celebrities together through the power of group activities. Where he got the idea to have Natalie Portman, The Roots, and Sia (along with her arsenal of wigs) perform the classic “Iko Iko” is a mystery, but heck, it looks cool.