So it wasn't just my imagination. Check out today's New York Times Style section.
Karin Nelson's Pulse section says:
"Cowgirls, Get the BluesSAY what you will about the double-denim look, but, as the fashion blogger Mister Mort wrote on his site in November, it “is not always wrong.” To illustrate his point, he posted a pic of a young Johnny Hallyday, sprawled on his side like a Calvin Klein model, the collar of his denim jacket popped and the cuffs of his blue jeans rolled. Maybe it has to do with the economy, but that down-home country cool still has appeal — and, as is visible on the streets and the spring runways, it’s having a moment."