LONDON, ENGLAND - JUNE 10: Actors Sir Ian McKellen and Patrick Stewart kiss as they attend the UK Premiere of "Mr Holmes" at the Odeon Kensington on June 10, 2015 in London, England. (Photo by Dave J Hogan/Getty Images)
LONDON, ENGLAND - JUNE 10: Actors Sir Ian McKellen and Patrick Stewart kiss as they attend the UK Premiere of "Mr Holmes" at the Odeon Kensington on June 10, 2015 in London, England. (Photo by Dave J Hogan/Getty Images)