An Irish shopper was left stunned after picking up her entire shop for free in Marks and Spencer thanks to a little known offer.
The Irish Mirror reader was in the M&S store in Dublin city centre earlier this month when she scanned her app at the till after picking up some bits for an upcoming holiday.
She said: "The shopping was coming to about €70, I said I'd use the app just to see if there was any discounts on it or in case I'd build up any loyalty points.
