'X Factor' judge reveals she declined opportunity to record the hit single
The 'Diamonds' singer is reportedly in talks to headline the Sunday night on the Pyramid Stage
Rihanna and Taylor Swift among artists reminded about outfits, according to report
Singer finally admits she's dating her controversial ex-boyfriend following months of rumours
Pop superstar set to perform for ticket holders day after festival officially ends
Pop star's fashion line for River Island will hit shops on March 5
Meanwhile, the singer donated $1.75 million to a local hospital
Simon Cowell wants 'Diamonds' singer for reality show role
Star speaks out after being accused of ignoring journalists on board flight
'Diamonds' singer's seventh album tops the Official UK Album Chart