What are the most expensive artworks ever sold?

Recently, the artworld has been dazzled by the sale of Claude Monet’s 1890 painting ‘Meules’. The artwork was sold in an astonishing eight minutes for an eyewatering $110.7million, breaking records for the most an impressionist work has ever sold for. Interestingly, professionals are describing the sale as a ‘bargain’ in comparison to previous sale records – so what are the most expensive artworks ever sold, and what makes them so valuable?