Ashlee Simpson, Pete Wentz, Clay Aiken, Jamie Lynn Spears And Other Surprising New Parents of 2008

Hollywood baby booms are nothing new, but we didn't expect some of these celebs to become moms and dads. By Jocelyn Vena Pete Wentz and Ashlee Simpson Photo: Frank Micelotta/ Getty Images Celebrities had children on the brain in 2008. Baby bumps were everywhere, and Hollywood is starting to resemble a playpen. There were plenty of stars who didn't shock us too much when we found out they were in the family way. Christina Aguilera and hubby Jordan Bratman had baby Max . Jennifer Lopez and Marc Anthony had twins they named after the kids on "Dragon Tales." Gwen Stefani and Gavin Rossdale welcomed Zuma Nesta Rock . It wasn't even that surprising when Jessica Alba announced she was going to have a baby with her longtime beau, Cash Warren. And we didn't fall off our seats when Nicole Kidman and Keith Urban welcomed Sunday into the world. There are plenty of famous couples who are still perpetually rumored to be pregnant: Avril Lavigne and Deryck Whibley, Mariah Carey ... (link)