Star speaks out after being accused of ignoring journalists on board flight
'Diamonds' singer's seventh album tops the Official UK Album Chart
Singer pulled out of scheduled appearance at last minute this week
Following ups and downs (and take-offs and landings), tour is now complete
The rockers are lagging behind Rihanna's 'Unapologetic' in the midweek charts
Singer blames a cold for her lack of socialising
Singer also switches on London shopping centre's Christmas lights
Australian journalist streaks as singer refuses to speak to press and fans
A late start causes German fans to jeer