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Fresh from her big wins at the Grammy Awards on Sunday, little miss Lorde went on a celebratory shopping spree in West Hollywood yesterday afternoon.

Lorde does seem a bit shocked with how quickly she's become the next big thing, but she seems to be taking it all in stride. On Monday evening she tweeted, "wow so many people i don't really know at all want to be my friend on facebook since last night #yes #great," and earlier in the week she posted a pic of her Rolling Stone cover and wrote, "i have to keep reminding myself that this is my life. this month's rolling stone cover girl: yours truly."

The 17-year-old singer won Song Of The Year and Best Pop Solo Performance for her breakout hit "Royals," so we're curious to see what's next for her!