A.j. Mclean and Backstreet Boys
Harry Judd, James Bourne and Mcbusted
Next Backstreet Boys Slideshow: Backstreet Boys at Chateau - Las Vegas Nevada United States - Saturday 31st May 2014
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.