Adele dresses as George Michael to celebrate 27th birthday
Singer calls the former Wham! frontman her 'hero' in Twitter post
Producer Emile Haynie says Adele is 'taking her time' on new album
Adele's '21' was released in 2011 and has sold over 4.74 million copies
Adele's '21' officially the best-selling UK album of millennium
The singer beats Amy Winehouse, James Blunt, Leona Lewis and Dido to top spot
Emily Eavis confirms Adele will not perform at Glastonbury this year
Singer had been rumoured to be making live return at 2015 festival
Lady Gaga teases collaboration with Adele with 'bro-down' selfie
Photo was uploaded by star to her Instagram account yesterday (January 22)
Producer Paul Epworth says new Adele album 'will come when it's ready'
The follow-up to 2011's '21' is mooted for release later this year
Adele's spokesperson denies singer ignored Bob Geldof's Band Aid 30 request
Singer is understood to have "made a donation" to charity in lieu of recording vocals for the single
Adele rejects invitation to join Band Aid 30 line-up
Chris Martin, Ed Sheeran and One Direction all performing on the charity single
Phil Collins calls Adele a 'slippery little fish' after being dropped from her new album
The singer is alleged to have not replied to Collins' interest in a collaboration
XL state there will be no new Adele album this year
The singer's record label say 'There will not be a further new release by Adele during 2014'