Your spring shopping list grows by the second. Tackle it in one fantastical evening at Shop the Night Away, NYC. On Thursday, March 15, from 5 to 9 p.m., more than twenty clothing and accessories stores in Soho will take at least 20 percent off everything in stock. (Yes, you read that correctly.) The A-plus roster includes Theory, Scoop NYC, AllSaints, La Perla, Paige, and Betsey Johnson. All you have to do is click the link below, then check off the stores you want to visit — registration is free. The question is, are you? Click here to R.S.V.P. Use this dandy map to plan your route of attack (red marks exclusive offers; blue indicates our editors’ all-time favorite shops). View larger map.