Fashionistas need to put November 29th in their diaries right now. For on this day the legendary founder of THE 1960’s most iconic store launches her new collection…and you’ll find it in Asda! Barbara Hulanicki, the women behind Biba, is launching an ultra affordable range for supermarket giant Asda, and photographs appearing in this week’s Look magazine indicate that this range could be the Christmas sell out this season. Barbara Launched Biba in 1964, and it soon become the most iconic shop in swinging London. Cathy McGowan, Julie Christie and Marianne Faithfull were amongst those who wore Biba. It was famous for the opulence of the store, and the affordability…