LONDON, ENGLAND - JUNE 28: Ella Purnell attends the Summer Party 2017 presented by Serpentine and Chanel at The Serpentine Gallery on June 28, 2017 in London, England. (Photo by Darren Gerrish/WireImage)
LONDON, ENGLAND - JUNE 28: Ella Purnell attends the Summer Party 2017 presented by Serpentine and Chanel at The Serpentine Gallery on June 28, 2017 in London, England. (Photo by Darren Gerrish/WireImage)