JESSICA ALBA

A month before announcing her pregnancy, Jessica Alba showed off her still slender figure at the New York premiere of her movie Awake on Nov. 14. The actress and her boyfriend Cash Warren are expecting their first child together in "late spring, early summer," her rep confirmed exclusively to PEOPLE.

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.

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.

HALLE BERRY

After struggling to become pregnant, Halle Berry happily announced that she and her model beau Gabriel Aubry are expecting in early 2008. Berry – running errands in West Hollywood on Dec. 11 – has said she's been busy setting up an eco-friendly nursery and giving into her pickle cravings.

CATE BLANCHETT

It's baby no. 3 for Cate Blanchett, who confirmed in November that she's adding to her brood. Due in April, the actress – here at the AFI Awards in Australia on Dec. 6 – already has two boys, Dashiell, 6, and Roman, 3, with husband Andrew Upton.

CHRISTINA AGUILERA

Christina Aguilera remained mum about her pregnancy for months, but let her growing belly show and tell in a nude cover shoot for Marie Claire's January issue. The pop star – who turned out for a Rock the Vote party in Beverly Hills on Nov. 13 – is expecting her first child, a boy, with her hubby Jordan Bratman.