As we know, the exciting world of celebrity fashion often unites stars from across the entertainment landscape. In this case, our very own Grey's Anatomy and Private Practice star and the first ever American Idol.

Kate Walsh donned this Monique Lhuillier dress at an L.A. charity gala, while Kelly Clarkson rocked the very same chiffon frock at the ASCAP Pop Music Awards in Hollywood. Who wore it better? You decide.

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.