Why Lorde's Pure Heroine is the one album you should listen to this week - video

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Alexis Petridis recommends the debut of the 16-year-old New Zealand singer-songwriter Ella Maria Lani Yelich-O'Connor, better known as Lorde. Already the only solo artist from her homeland to have earned a US number one single (with Royals), Lorde's debut album is out now