Sia's follow-up to the chart-topping 1000 Forms of Fear is made up of songs—save one—that the Australian singer/songwriter originally conceived for female stars like Adele and Rihanna. It’s a candid and bold conceit that compels—and a venture our editors picked as Best Album of 2016. An unstoppable electro-pop juggernaut fortified by inspiring self-confidence and an admirable sense of empowerment, This Is Acting overflows with so many memorable pop moments that it's tough to pick just few, among them the tropical synth-pop party romp "Cheap Thrills" and the dark, dramatic and oh-so-danceable "Alive".