Club Monaco is about to make your Fashion’s Night Out just a little bit sweeter…by making it last until the 12th. Not sure you can celebrate for three days? They’ve got a solution for that, too. The Club Monaco Cupcake Truck will be parked outside the brand’s SoHo store, handing out sweet treats (hello, sugar rush!) to shoppers. But even if you’re not in the area, you can still enjoy a treat at all Club Monaco stores city-wide: champagne will be served until 11…