Celebrity Bump Watch

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

CHRISTINA AGUILERA

Christina Aguilera remained mum about her pregnancy for months, but let her belly do show-and-tell in a nude cover shootfor Marie Claire's January issue. The pop star (pictured Dec. 4) is expecting her first child with hubby Jordan Bratman.