JB - Celebrities seen outside the Sanctum Soho Hotel - London, United Kingdom - Tuesday 12th March 2013 (3 Pictures)
The live album is set for released in November.
The movie begins filming in the UK.
The 'Sherlock' and 'Doctor Strange' star joined Gilmour onstage at the Royal Albert Hall for a rendition of the Pink Floyd classic.
Time to learn what Kathy Bates' character has to do with all of this.