While Abu Dhabi awaits a Louvre, the world’s best street artists are being paid to decorate a mall in Dubai. Have they sold their souls?

Maria Lassnig’s self-exposure packs a punch

The biggest art celebrity in the world is showing in a grubby corner of London — at the gallery of the guy who comes in at No 2. They tell us why

George Shaw reboots the Old Masters at the National Gallery

Mona Hatoum’s mysterious installations are suffused with the menacing world in which she grew up