The photo was part of a pictorial called 'Pillow Talk' featuring various celebrities tweeting in bed (or something like that).
Other pop stars that made the pictorial include Ciara, Vanessa Hudgens, Pharrell Williams, and singer-turned-model Rita Ora. You can check out those photos below, or just head on over to W's official website for the full shoot (which includes a topless Dutch supermodel!).
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