Petticoat, November 1969
(Probably still applies, but now across the whole of London…trendy or not.)
The brilliant illustration is uncredited, but looks like a Malcolm Bird to me.
Never faint on the King’s Road
1960s, Illustrations, king's road, malcolm bird, petticoat magazine
Liz Eggleston 
Love it! I will heed the advice xx
Very amusing!
Haha this is hilarious, two boys wearing velvet trousers stepped over her, fantastic!
The picture is wonderful. I love the detailing on those amazing flares.