Rumors are buzzing that Christina Aguilera is expecting a baby boy, after receiving blue-themed gifts at her baby shower. The star celebrated the party at her Beverly Hills home on Saturday with guests such as Gwen Stefani and her husband Gavin Rossdale. Christina is due to give birth early next year, but she has not revealed the sex of her baby. However, People says that most of the presents were blue, what may indicate a son is coming. Meanwhile, Christina showed off her baby bump at the Rock The Vote launch event in LA, sporting a glamorous green dress.