Natalie Portman told Jimmy Fallon something few people learn: the meaning of the lyrics to “Iko Iko.” Portman joined Fallon and Sia to perform “Iko Iko” on The Tonight Show Wednesday. When Fallon ...

Jimmy Fallon, Sia and Natalie Portman are making sweet music together—using a few items you can find right in your house. While teaming up for another eccentric musical collaboration with The Roots, ...