It was the place to be in the Nineties, but recently Soho House has lost its edge. As the group of luxury private clubs seals a £2bn deal that involves A-lister Ashton Kutcher, there are plans afoot to return the brand to its heyday, but will it work? Lydia Spencer-Elliott investigates Stay ahead of the curve with our weekly guide to the latest trends, fashion, relationships and more Stay ahead of the curve with our weekly guide to the latest trends, fashion, relationships and more Stay ahead