Did Madonna's cage mask start a trend that is trickling down to stars' feet?

Forget peep-toes and simple platforms, Spring's newest shoe trend is already a wrap as celebs Diane Kruger, Carrie Underwood, and Marion Cotillard stepped out in bear-trap heels on the red carpet this week.

But the shoe that has us fit to be tied is the knotted Burberry style Jessica Alba wore to the People's Choice Awards.

Photos: Jeffrey Mayer/WireImage; Steve Granitz/WireImage; Jon Kopaloff/FilmMagic;