Singer admits her success feels 'bittersweet'
The false rumours about the singer's condition surfaced on Twitter
Singer shelves six planned UK dates after being told she needs surgery
Double package also features behind the scenes footage at London concert
Singer has also drafted in a therapist to help her recover from vocal cord haemorrhage
Taylor Swift, Lady Gaga, Lil Wayne, Rihanna and Katy Perry are close behind with three noms each
Singer also reveals she has quit smoking, despite it being her 'favourite thing in the world to do'
Vocal cord haemorrhage forces 'Rolling In The Deep' singer to scrap dates
Singer speaks out after gracing the cover of Vogue magazine
The singer says she'll play London's O2 Arena in February next year