Celebrity Fashion Face-Off: Heidi Klum vs. Jennifer Lopez

They'll be on the same side in a couple weeks when Jennifer Lopez serves as a guest judge on the season finale of Project Runway.

For now, though, the host of that show and the singer/actress are battling it out in a face-off between fashion mavens.

Study the photo below of Heidi Klum and Jennifer Lopez and let us know: Who wears the outfit better?