They peaked in 2008.
Kim, Khloe and Kourtney Kardashian: owners of clothing lines, painfully stylish frontiers of fashion, right?
Getty Images Dave Kotinsky
Well, let's just rewind to 2008 shall we. A glorious time for co-ordinating spray tans and satin dresses.
Getty Images Frazer Harrison
Satin dresses so enviable Kourtney made sure hers was photographed from every angle.
Getty Images Frazer Harrison
It was a time for flesh-coloured leggings.
Chris Wolf Getty