I have the same New Look dress as Rochelle from The Saturdays. Rochelle is in her early twenties, I am in my mid 30’s. Which begs the question – am I too old for this dress, or is the dress too old for Rochelle? The answer, happily, is no on both counts. The days when shops had a clearly age defined audience have long gone, with mothers and daughters happily shopping in the same places, and sometimes buying the same things. Why is this now the case? Part of the answer to this is that women, in many cases, look younger than we did 30 years old. Thirtysomethings can often…