In this image released by Marie Claire, singer Christina Aguilera is shown on the cover of the January 2008 issue of Marie Claire magazine. Aguilera is downright giggly as she opens up for the first time about her baby boy, her marriage, and her future in the "Sexy Mama" cover article featured in the January 2008 issue, on newsstands nationally on Dec. 11. (AP Photo/Marie Claire)

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