Step back, ladies, it's time for a sale raid. Net-a-Porter is on sale up to 60 percent off, and the pickings are fantastic, as usual. I still can't get over my obsession with yellow, and pretty pieces like this By Malene Birger Sloane pleated top ($141, originally $235) aren't helping. Not that I'm complaining â€" no girl can have enough vibrant tops, especially when they're bought on sale.