Last Night's Look: Hit or Miss?

Check out the head-turning outfits Ashlee Simpson, Rihanna and more stars were just spotted in! Then decide – fabulous or fashion fail?

JENNIFER LOPEZ

Showing she's committed to the contrasting shoes-and-outfit trend, Jennifer pairs a chartreuse Michael Kors mini with hot-pink Casadei heels and rings by Dana Rebecca Designs and Jacqueline Nerguizian while visiting a talk show in São Paulo, Brazil.