DescriptionSubtle change Kate Middleton makes to her appearance when hiding a pregnancy.Will and Kate announced on Monday that they are expecting their third royal baby.Prince William and Kate, the Duke and Duchess of Cambridge, announced the news through Kensington Palace.Kate, 35, is again suffering from severe morning sickness, so has been forced to cancel royal engagements for treatment at home. Her eldest, Prince George, starts school this month.Of course, with any royal announcement, speculation is rife. Boy or girl? What about names?And when and where was the new baby conceived?Kate the reporter noticed that Kate had a new haircut at the tennis championships, and believes it might be a ploy to revert focus from her tummy – even early on there are telltale signs, right? – to her change in appearance.It really does look as though Kate changes her hair style before announcing a pregnancy. Business Insider , with a timeline, certainly puts out a strong argument for it being the case. Let's go back to George...On November 8, 2012, the Duchess of Cambridge attended a fancy dinner, as she does. She had the look she's perhaps best known for: long and a little wavy. Could definitely be in a Pantene shampoo advert.Weeks later, on November 27, Kate arrived at the opening of The Natural History Museum's Treasures Gallery. Her hair had been remodelled. She'd added a '70s-style fringe.And then, just three days later on December 3, Will and Kate's first royal prince was announced to the world.