Kate Middleton

Could 2014 bring a new baby for Will and Kate? Five months having Prince George, the royal couple is expecting their second baby, according to a new report.

Kate Middleton and Prince William are hoping for a baby girl, the report claims, adding that Kate, 31, feels that a "little sister for George would be perfect!" On Dec. 11, Kate and William attended the premiere of Natural History Museum Alive 3D and she was reportedly resting her hand on her stomach the whole night!

Kate Middleton Pregnant Again?

"She looked absolutely beautiful and glowing, and her hand rested only on her stomach for most of the night," an eyewitness told Star magazine. "There was definitely what seemed to be a little bump showing already. And William was so tentative to her, quietly whispering to Kate and asking if she wanted to sit down or needed a sip of water. It was so sweet."

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Kate's only about three months along, so she hasn't told many people yet, the source added, claiming that she's only just confirmed it with her doctor.

"Their immediate families obviously thrilled beyond words when the couple told them news," the insider adds. "The other royals, including William's grandmother, Queen Elizabeth II, were let in on Kate's wonderful secret during their Christmas lunch at Buckingham Palace on Dec. 18 - and the entire family is now sword to keeping it quiet so that an official announcement can be made in the New Year."

Will & Kate's Baby Name Choices

Kate is hoping for a little girl, and if she gets her wish they will of course choose a family name.

"Kate's mum Carole Middleton, has already been pushing for the baby to be named after William's late mother, Diana, as a beautiful tribute," the source told Star. "But Kate and William would also consider Elizabeth or Philippa. If it's a boy however, they're thinking Charles, Henry, Philip or Spencer."

The royal couple isn't only expanding their family but also their living space, the source told Star. While they currently live in a 20-room apartment in Kensington Palace, they will most likely move to Anmer Hall, a larger space on the Sandringham Estate in Norfolk.

So, HollywoodLifers - do you hope Kate has a boy or a girl? Let us know! - Emily Longeretta More Prince William & Kate Middleton News: Prince George's First Christmas To Be Just Like 'Downton Abbey' Prince William Calls Kate Middleton Sweet Nicknames In Hacked Voicemail Kate Middleton's Gorgeous Hair - Expert Advice To Get Her Strands