While bigger ticket items have been selling at Frieze Masters, once high-flying ultra-contemporary artists have fallen out of favour

A trove of works by artists such as Lygia Clark and Hélio Oiticica has been consigned to the commercial gallery

She will open the three-storey, 6,000 sq ft space with shows by Sheila Hicks and Robert Mapplethorpe

Plus, the Cezanne blockbuster at The Art Institute of Chicago and Nicola L.’s Gold Femme Commode at Alison Jacques

Eerie wooden cabins, rural quiltmakers and dismembered, tentacular dolls are among our highlights from the city's commercial exhibitions

From Roy Oxlade's energetic canvases to Nan Goldin's first UK show in almost two decades

New exhibitions at commercial galleries, from Joan Mitchell's last show at Cheim & Read, to Francesca Woodman's haunting photographs in Venice