Shop designer dresses with varying size availability, all on sale for less than $50 at Neiman Marcus Last Call. The pictured Moon River Printed Lace-Up Satin Dress, originally $70, drops from $56 to $28 right now, no coupon needed. And check out the Glamorous Pleated Lace-Hem Slip Dress, also on sale for $28. Shipping starts at $5 or is free on orders of $99 or more with code LCSHIP. Sales tax is charged in most states.