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Christina Aguilera may have just had a baby, but the busty songstress is already back to work. She will be acting as the face of the new Stephen Webster jewelry campaign, starring in the photo campaign that will debut in the April issue of W Magazine. The ads evoke the image of a Hitchcock film, complete with the peroxide bottle-blonde in perfect 50s make-up and decor who looks as if she suspects her husband is plotting her murder.

The ads were taken in August, shortly after it was discovered that Christina was pregnant so that her belly bump wouldn’t be completely obvious. Well, pregnant or not, she’s definitely got the perfect, pillowy cleavage needed to sell some diamond necklaces, that’s for sure.