In his latest exhibition, Gazing Ball Paintings, at Gagosian New York, Koons oversteps the mark of decency and demonstrates that the most horrifying thing about his art is its sincerity.
With his snatched street scenes and glimpses of private moments, Manet’s portraits are snapshots seen through the gaze of the artist, as a new exhibition at London’s Royal Academy reveals
Plus Steve McQueen gets a major retrospective – but you’ll have to go to Switzerland to see it
Frieze Masters will highlight the links between contemporary works and earlier ideas
From the birth of modern culture to Van Gogh’s classic work. Plus a Picasso fiasco in Edinburgh airport and a child saves a Manet – all in today’s weekly art dispatch