Us Weekly caught up with the women on the red carpet of the MTV Video Music Awards in Miami and asked them about the pieces of designer frock they were wearing.

Mandy Moore, who wore a Calvin Klein gown, stated “I try to clean up once in a while. Calvin Klein’s sizzling.”

As for Christina Aguilera’s Roberto Cavalli frock? Ms Beautiful said, “I’m telling you right now that this is a hot dress. It fits my body to a T!”

Jessica Simpson strutted out in what she called a “sexy and chic” Valentino dress while her sister Ashlee Simpson was busting out in a Jennifer Nicholson dress. “It’s like, here they are! You’ve never seen them,” Ashlee said of her cleavage.