Wasgij Christmas #21, A very merry makeover 1000 Piece Mystery Puzzle

Mr & Mrs Claus are enjoying a festive day out, indulging in a little seasonal shopping at the grandest department store in town. With towering Christmas trees, beautiful decorations and an atmosphere brimming with cheer, it’s the perfect place for a treat. After leaving Santa to browse, something has left Mrs Claus in complete shock! What can the customers see that has left the shop floor in awe? That is the image you need to puzzle!