The Story Behind J Lo's Major Wedding-Dress Moment in "Marry Me"

"When you work with somebody who's at the level of Jennifer [Lopez], you have to bring your A-game every second of every day," says Caroline Duncan, the ultratalented costume designer who kept J Lo looking fabulous in every frame of her new rom-com, "Marry Me." "She cares so much about the visual, and she has a real feeling for it." It was a thrill, Duncan tells POPSUGAR, to "collaborate with someone who has such an understanding of fit and storytelling through clothing . . . Jennifer is an amaz...