Celebrity Bump Watch

From Nicole Kidman – who just revealed her pregnancy – to Christina Aguilera, check out who's due in 2008!

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JENNIFER LOPEZ

Jennifer Lopez accessorizes her evening gown at the Movies Rock concert on Dec. 2 with an ever-growing baby bump. And it looks like double happiness for the singer and her husband Marc Anthony, who fueled speculation that they're expecting twins after getting matching pink and blue Tuni & G onesies from the actress' sister Lynda.