The country singer had announced she was having twins, but she welcomed a single baby boy! Plus, see more stars who welcomed new bundles of joy

Source: http://www.ivillage.com/celebrity-babies-2011/1-b-16266?dst=iv%3AiVillage%3Acelebrity-babies-2011-16266

Emma Heming Emma Stone Emma Watson Emmanuelle Chriqui Emmanuelle Vaugier Emmy Rossum Erica Leerhsen Erika Christensen Estella Warren Esther Cañadas