You know what's totally worth taking credit for? Trends! Especially the ones we wish would go away, or had never happened! It's like Lindsay Lohan claiming credit for leggings, even though the painted-on pantyhose look existed long before she first shoved her thighs through a pair. So you can imagine what god awful former fashion obsession Justin Timberlake and Ashton Kutcher might be "feuding" about.

Trucker hats.

“It’s funny,” Timberlake says in the new issue of Fashion Rocks magazine. “I keep hearing Ashton Kutcher say how he was responsible for trucker caps. I’ve heard him make that statement before.”

But Timberlake insists he and his William Rast fashion line partner and childhood friend Trace Ayala are the real trendsetters. “Trace and I were wearing them when we were seventeen,” Mr. SexyBack says. [E!]