 E! Online | Xtina Ditches Dirrty for Diamonds E! Online - Christina Aguilera is glowing more than usual these days. And it?s not just because she's a first-time mommy. The pop princess is the muse behind British celebrity jeweler Stephen Webster's new silver women's collection, as well as the star of the ... Aguilera is new face of Stephen Webster jewellery Christina Aguilera sizzling ad campaign |