Singer-songwriter claims he is working on follow up to '21'
The singer was named in the Queen's Birthday Honours list for services to the music industry
'21' singer given the title Miss Adele Adkins MBE by Prince Charles at Buckingham Palace
Singer is being celebrated for services to the music industry
London singer ahead of Susan Boyle, Mumford & Sons and Taylor Swift in list
However, Adele has threatened to sue if he ever plays it to anyone
Elton John has reportedly told the 'Skyfall' singer to accept an offer to perform in the Sin City
Adele is reportedly attached to star as Springfield in a film set in the late '60s
However, the collaborations are not guaranteed to appear on the rapper's album
Director Matthew Vaughn is reportedly keen to get singer on board for new movie