It's another celebrity baby boom. Kate Middleton, the Duchess of Cambridge, may be the most notable mother-to-be but she has some A-list Hollywood company.

Middleton, whose pregnancy has captivated the world, is expected to give birth to Britain's future royal heir sometime in July.

She may have some competition for the attention of the global media. Reality star and tabloid fixture Kim Kardashian and boyfriend Kanye West are expecting their first child around the same time. West first announced the pregnancy at a concert in December.

Halle Berry and fiancé Olivier Martinez are expecting a son, their first child together. Berry, 46, has a five-year-old daughter, Nahla, with ex-boyfriend, Canadian model Gabriel Aubry. The Oscar-winning "Monster's Ball" star and French actor Martinez, 47, have been engaged since March 2012.

Oscar-winning duo Penelope Cruz and Javier Bardem are expecting their second child. The Spanish couple, who married in 2010, welcomed their fi