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LONDON, ENGLAND - MARCH 12: Ella Henderson (L) and Simon Cowell attend the Prince's Trust Celebrate Success Awards at Odeon Leicester Square on March 12, 2015 in London, England. (Photo by Dave J Hogan/Dave J Hogan/Getty Images)

LONDON, ENGLAND - MARCH 12:  Ella Henderson (L) and Simon Cowell attend the Prince's Trust Celebrate Success Awards at Odeon Leicester Square on March 12, 2015 in London, England.  (Photo by Dave J Hogan/Dave J Hogan/Getty Images)