Katy Perry's mint Gucci dress was hotly discussed, considering its emphasis on her chest last Sunday night. Fashion fans might have noticed that the floor-length gown - from the Italian fashion house's Resort 2013 collection - previously graced the red carpet on Chinese actress Bingbing Li back in November.

So let's compare and weigh in: is Katy's eye-popping effect a better way to wear the dress, or does Bingbing's more conservative styling win?

(To read more about Grammy red carpet fashion this year, click here.)