Even by the incredibly high standards their previous shows have set, the latest Harvey Nichols Birmingham Autumn/Winter fashion show was pretty impressive. Set in the grey concrete confines of the Mailbox underground car park, the show was vibrant, glossy and full of High Octane glamour. In recent years the Birmingham shows have transformed themselves from merely being a regional showcase, turning into a calender date that just can’t be missed. This year, the fashion parade was like a who’s who of the current fashion world, with designs by Peter Pilotto, Stella McCartney, Christopher Kane, Thakoon and Lanvin, amongst many more, gracing the catwalk. The show’s venue reflected well against the…