Photo credit: Cameron Clegg
View All: New cast for the hit musical 'Top Hat'
Next Anneka Rice Slideshow: Celebrities at BBC Radio Two Studios - London United Kingdom - Wednesday 30th January 2013
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.