LONDON, ENGLAND - SEPTEMBER 27: Britney Spears performs during Apple Music Festival at The Roundhouse on September 27, 2016 in London, England. (Photo by Dave J Hogan/Dave J Hogan/Getty Images)
LONDON, ENGLAND - SEPTEMBER 27: Britney Spears performs during Apple Music Festival at The Roundhouse on September 27, 2016 in London, England. (Photo by Dave J Hogan/Dave J Hogan/Getty Images)