‘True beauty for the ages’: $80m Botticelli to appear at auction

Sotheby’s says estimate for 550-year-old painting is largest it has ever set for an old master

Beyoncé meets Botticelli: how tabloid photos throw new light on old masters

The Twitter account Tabloid Art History juxtaposes celebrity shots with artworks they resemble. It’s a game that works because great art is universal

Laura Cumming: best art of 2016

Portraits woke up, the tiny Goldfinch flew in, the Switch House switched on, and junk art triumphed

• Observer critics’ reviews of the year in full

Why Botticelli’s Venus is still fashion’s favourite muse

Erotic, youthful, ethereal: the Botticelli beauty who, 500 years on, continues to inspires Lady Gaga, Andy Warhol and Dolce & Gabbana