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GLASTONBURY, ENGLAND - JUNE 24: (EDITORIAL USE ONLY) Katy Perry performs on day 3 of the Glastonbury Festival 2017 at Worthy Farm, Pilton on June 24, 2017 in Glastonbury, England. (Photo by Harry Durrant/Getty Images)

GLASTONBURY, ENGLAND - JUNE 24:  (EDITORIAL USE ONLY) Katy Perry performs on day 3 of the Glastonbury Festival 2017 at Worthy Farm, Pilton on June 24, 2017 in Glastonbury, England.  (Photo by Harry Durrant/Getty Images)