Zadie Smith, Erica Bolton, Helena Lee, Rob Suss, Midge Palley, Russell Tovey, Thomas J Price, Es Devlin, Ottilie Windsor, Jenny Saville, Victoria Siddall, Ewan Venters, Ina Sandmann, Gianluca Longo, Dame Kristin Scott Thomas, Katy Hessel, Katharine Arnold, Rebecca Siegel, Sarah Hilliam, Flavia Frigeri, Tim Walker, Bella Freu seen at National Portrait Gallery for The Portrait Gala