Christmas came early! The "Kate Middleton pregnant!" gossip was actually true ... or at least lucky. She's officially expecting, the palace announced Monday.
With speculation regarding when Prince William and his wife would start a family building from the instant they got married (April 2011), Twitter predictably went nuts.
Read some of the best celebrity reactions to the official announcement below:
President Barack Obama: We extend our congratulations to the Duke and Duchess of Cambridge on the welcome news out of London that they are having their first child.