Quickies: Nelly drops his drawers, Justin sings as models strut & Barneys goes wild

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> Nelly's new underwear ads revealed: This is the first time Sean Jean appoints a spokesperson for underwear -- but why is Nelly (who will strip down shirtless with little provocation) still wearing pants in this campaign?

> Justin Timberlake to show during New York Fashion Week: The pop star will grace the stage at Roseland Ballroom to perform in tandem with the runway presentation of his William Rast line.

> Barneys Warehouse Sale: Don't miss this yearly event. Doors open on Thursday, August 14 at 8 a.m. sharp!