Singer booed after stumbling around stage and mumbling through songs
Singer’s gig is a sober affair after rehab stint
Singer's follow-up to 'Back To Black' is reported to be finished
Singer seeks treatment ahead of summer festival appearances
Duet will be singer's first recorded appearance since 2007
Singer struggled with technical problems as she performed at Gulf Bike Week
Singer to play at Spain's BBK Live in July
Singer has supposedly finished her new album too
Singer kicks off five-date tour of South American country in Florianopolis
Singer set to air new songs at comeback gigs