Dressed in no-nonsense double denim, the 55-year-old clearly enjoys upsetting the designers.

This is only one key moment on the long timeline of double denim.

All hail the dawn of quadruple denim, or double denim squared.

I've been wearing a lot of double denim recently, so I approve of that.

Whatever about double denim this season, what about triple denim?

Once stigmatised as the ultimate in uncool, double denim is emerging as autumn's hottest trend.

Facebook Twitter Pinterest Elvis in double denim in Roustabout.

It was a truly terrible sight, and not just because of all that double denim.

Or double denim to the power of four?

So why not give double denim another chance?

So it is natural that she is a longstanding cheerleader for a much-maligned trend - double denim.

But it's hard to think of an outfit with as much stigma attached to it as double denim.

Marty rocking double denim and high-tops.

Denim cut-offs, layered gold jewellery, double denim and crochet dresses were trending at the festival, which is hugely influential.

Alexa Chung wears double denim.

AK A bit "Willy Wonka does double denim" -great if you want to remain anonymous in Hollywood.