Lady Gaga has announced plans for a global livestream concert which will also allow people to attend fan zones in London.The one-off gig, which takes place next Thursday (September 30), will see Gaga perform jazz classics and tracks from her forthcoming new album with Tony Bennett, ‘Love For Sale‘.Fans will be able to watch the show online but also attend fan zones at Westfield London in Shepherd’s Bush and Stratford City.Westfield will host fans in an intimate pop-up jazz theatre inspired by