www.dailymail.co.uk/news/article-2872004/Jagger-Cilla-snapshot-surprisingly-smartly-dressed-dawn-pop-Stars-pose-rehearsals-1964-s-Ready-Steady-Rave-Mad-Mod-Ball.html
I don't know about smartly dressed, they all look positively middle aged compared to today's pop stars especially Cilla Black (scroll down a bit)
To think that London, or anywhere else for that matter, does not belong to any one demographic