Stephen Webster, Christina Aguilera, Star JewelryWith talons, daggers, bullets and thorns as regular motifs, Webster's collection has a rebellious yet refined attitude. "Stephen's designs are little art sculptures, a perfect blend of traditional elegance and modern sexiness," says the brand's spokeswoman Christina Aguilera (at left). His pieceswhich would look right at home on Sleeping Beauty's archly glam Evil Queenhave attracted celebrity fans such as Jennifer Lopez, Madonna and Pink. "My clients like to wear things that provoke questions," says the British-born Webster. "They aren't wallflowers, they're entertainersthey want to make a statement."