Grizz Chapman - New York premiere of 'Paul Blart: Mall Cop 2' - Arrivals - New York, United States - Saturday 11th April 2015 (2 Pictures)
Photo credit: TNYF
Photo credit: PNP
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.