National Portrait Gallery, London
Hero, giant, four-eyed alien … this fascinating show reveals how Jackson inspired artists to project on him all manner of idealistic and perverse ideas
Serpentine galleries, London
Christo’s floating installation makes a big first impression, but can’t match the brilliance of Tomma Abts’s canvases
Jackson Pollock socks, Louise Bourgeois eyemasks, Guerrilla Girls air freshener … what’s behind the explosion in art merchandise – and who’s really making the money?
V&A, London
By focusing on Kahlo’s life and her suffering rather than her art, this memorabilia-stuffed exhibition stifles her blazing visionary brilliance
With skyscraper video art in California and 26ft statue of Marilyn Monroe in Connecticut, there are now even more reasons to stay outside this season
Kensington Gardens, London
Only the second solo woman and the youngest architect to win the annual commission, Mexico’s Frida Escobedo has made a rough, tough backdrop for summer frolics