by Adam BregmanA hip-hop album of pure, silly fun with zero pretensions, Princess Superstar's Is, her fourth record, should have a wide appeal, as it is mostly about sex and though there are a zillion hip-hop albums about sex (especially from women rappers), few are this clever. One of the few white gal rappers out there (try and come up with another one off the top of your head), Princess Superstar is an oddity on the rap scene not unlike Jewish hip-hopper MC Paul Barman, on whose album she appeared. (Both caught Prince Paul's attention who has produced their songs.) Unlike other gal rappers Lil' Kim and Foxy Brown, Princess Superstar doesn't have a voice made for rap. Her vocals are higher and her flow less smooth, but what she does have, which, say Foxy Brown doesn't, is skillfully written rhymes that aren't about building on rap stereotypes. For instance, Foxy for all her sass has never come up with a song as zany and unique as "Bad Babys...