Now that's acting! Hey now (hey now)! Sia's new album This Is Acting drops Friday (Jan. 29), so to gear up for the big release, the "One Million Bullets" singer performed a couple of the albums songs on The Tonight Show Wednesday night, including "This Is Acting" and "Cheap Thrills." Sia Premieres "Broken Glass" Those videos haven't landed online yet, however her cover of “Iko Iko” alongside Jimmy Fallon, The Roots guest Natalie Portman did. Thoughts? Let us know in Exhale!