A very pregnant Kate Middleton and husband Prince William celebrated Commonwealth Day on March 9 at Westminster Abbey. Kate Middleton stylishly kept her baby bump warm in a pretty, blush-pink Alexander McQueen coat. Is she hinting at the baby's gender?

The elegant coat featured three-quarter length sleeves, large pearl-shaped buttons, and a wide, babydoll collar. Kate Middleton paired the coat with a cute little hat, satin ballerina-hued pumps, and a matching clutch.

Though HollywoodLife.com reports that the Duchess of Cambridge has been spotted out wearing a lot of blue-hued outfits lately, this sweet pink coat may hint at the gender of Prince William's baby!

According to IB Times, a source told OK! magazine: "Kate and William found out they were expecting a girl during the 21-week scan, and since then, everyone's been asking what they plan to name her."

The insider reportedly added that the couple are planning to name the baby after William's late mother, Diana, to preserve the late princess' legacy.

They "decided then and there that no matter what anyone said, they were sticking to naming their baby girl after her late grandmother," the insider told OK! Magazine. "Having a baby girl who carried her name will be a beautiful reminder of Diana every time he looks at his daughter."

Despite the rumors, both Kate Middleton and Prince William have claimed they do not know the gender of their second child.

Do you think Kate will have a baby girl or boy? Will Prince George have a little sister or brother? Let us know your predictions of the next royal baby's gender in the comments section below!