They grow up so fast! Today marks the first day of nursery school for two-year-old Prince George. His beautiful mama (who recently got a much-talked-about haircut) snapped these photos of the tyke at Westacre Montessori School Nursery in Norfolk. He's wearing a quilted navy coat and pale blue backpack—and looks every bit the tiny royal.

Duchess of Cambridge/@KensingtonRoyal

Duchess of Cambridge/@KensingtonRoyal

Look at those chubby fingers! Have we sent any ovaries into overdrive?

Check out the family's most recent portrait here. Read more:  Who Prince William was supposed to marry and what this means for Prince George Prince George called grabby and bossy by media A look back at Prince George's first year