Oh, wait. Hold the phone. That's Demi Lovato!

The tween princess channeled Ronson with a hat and vintage tee for her performance on Good Morning America. She must be trying to toughen up her image now that there's all-out warfare in the Disney domain.

Either that, or there's more to this Demi-Selena Gomez best-friendship than meets the eye!

Meanwhile, if trucker caps were the long-running (and hopefully now over) trend with Hollywood's male population, it seems the girls have flipped for bowler hats.