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Shopping for her kids must put Heidi Klum in a good mood, because the supermodel mom couldn't stop smiling as she picked out clothes and toys for her four little ones at Kitson Kids, on Tuesday.

The Victoria's Secret model has been busy planning her annual Halloween bash, which will move from NYC to Las Vegas's Tao Nightclub at the Venetian hotel on Oct. 29. The Roots star Ahmir ‘?uestlove’ Thompson will serve as the event's DJ.

As usual, Klum is keeping her costume top secret, but she did let one hint slip recently telling reporters she will be, “a bit hairy.”