The proud parents take their son for a stroll through N.Y.C. Plus: Fergie & Josh, Taylor Swift, Posh, John Krasinski & Emily Bunt and more

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THE STROLLER SET

Ashlee Simpson-Wentz takes a break from Broadway – where she's currently starring as Roxie Hart in Chicago – for an afternoon playdate Wednesday with son Bronx, 1, and hubby Pete Wentz at a Manhattan playground.