It was a celebrity baby boom this year. Some of Hollywood's biggest stars added to their family. Don't believe us? Let us refresh your memory.

Miranda Kerr and Orlando Bloom barely made the list, but the beautiful couple's kid arrived in January to be the first celebrity baby of 2011.

Penelope Cruz and Javier Bardem joined the baby bonanza weeks later by welcoming their bundle of joy in the same month.

Laila Ali & Curtis Conway celebrated the arrival of baby Sydney in April, Mariah Carey and Nick Cannon gave us the famous twins Monroe & Moroccan! 

In June Pink & Carey Hart delivered future free spirit Willow Sage, and Natalie Portman & Benjamin Millepied were overjoyed to meet baby Aleph.

July was the biggest month for babies. Jewel & Ty Murray added Kase Townes to their family, Kate Hudson & Matthew Bellamy showed had Bingham (you can barely tell by her stunning figure these days), and Brits Victoria Beckham & David Beckham gave us Harper Seven - she wants more, too!

Jessica Alba & Cash Warren added to their family in August after spending all that time promoting Spy Kids 4 with a huge baby bump.

January Jones gave birth in September, and we still don't know who the father is!

Tori Spelling & Dean McDermottt welcomed a baby girl in October, and she's pining for a fourth kid already.

Mariska Hargitay & Peter Hermann get a special mention for adopting two children, Amaya & Andrew.