Ella Maria Lani Yelich-O'Connor, a.k.a. Lorde, a.k.a. the New Zealand teen responsible for the stick-in-your-head pop smash “Royals,” is headed back to Seattle, following her recent appearance at KNDD-FM's Deck the Hall Ball. The kiwi pop star will perform tunes from her debut album, “Pure Heroine,” on March 24 at WaMu Theater, Live Nation announced today. Tickets go on sale at 10 a.m. on Friday, Dec. 20, with prices set at $42.50.