Cover Girl

Katy Perry is adorable. I realize this is not news. But when you spend several hours in her orbit during herPrismatic World Touryouare stunned by the extent of her Hello-Kitty-meets-Mae-West powers.

Like Madonna before her (only without the hauteur), Perry minesevery element of current (and past) pop culture to concoct a cheeky confection that is two-parts 12-year-olds’ slumber party, one-part Bettie Page pinup calendar.

Hot n Cold

Every pop dolly from Britney to Gaga has been afterMad...