Celebrity Bump Watch

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

NICOLE RICHIE

After months of pregnancy rumors, Nicole Richie – here shopping in Glendale, Calif., on Dec. 8 – confirmed to Diane Sawyer in July that she was four months along with boyfriend Joel Madden's baby. Due in January, Richie, 26, has said she doesn't know the sex of her baby – though she's received several gifts in the blue hue.