Hollywood's 2011 Baby Boom

Singer-songwriter Dido celebrated the holidays, and her birthday, with a new addition: son Stanley, born in July, her first child with husband Rohan Gavin. "I'm ridiculously excited about stanley's first christmas this year!" Dido, who turned 40 on Sunday, wrote on her Facebook page before Christmas. "Hope you all have a brilliant one and I'm looking forward to seeing everyone in 2012." (Getty Images)