The garden has been co-designed by the Duchess of Cambridge, with landscape architects Andree Davies and Adam White, of Davies White Landscape Architects. Kensington Palace / EPA
The Duchess of Cambridge plays with her son, Prince Louis, in the garden she has co-designed for the RHS Chelsea Flower Show in London. Matt Porteous / Kensington Palace via AP
The family played together in the garden. Matt Porteous / Kensington Palace via Getty Images
Four-year-old Princess Charlotte plays on the swing in the garden. Matt Porteous / Kensington Palace via Getty Images
Public first steps! Prince Louis can be seen running away from his father, Prince William, in one of the cute family photos. Matt Porteous / Kensington Palace via Getty Images
Prince William with Prince Louis on the swing. Matt Porteous / Kensington Palace via Getty Images
Prince George and Princess Charlotte sitting on a bridge above the garden's stream. Matt Porteous / Kensington Palace via AP
The Duchess of Cambridge also had a go on the swing, a couple of days before her children. Kensington Palace / EPA
The garden has been co-designed by the Duchess of Cambridge, with landscape architects Andree Davies and Adam White, of Davies White Landscape Architects. Kensington Palace / EPA
The Duchess of Cambridge plays with her son, Prince Louis, in the garden she has co-designed for the RHS Chelsea Flower Show in London. Matt Porteous / Kensington Palace via AP
The family played together in the garden. Matt Porteous / Kensington Palace via Getty Images
Four-year-old Princess Charlotte plays on the swing in the garden. Matt Porteous / Kensington Palace via Getty Images
Public first steps! Prince Louis can be seen running away from his father, Prince William, in one of the cute family photos. Matt Porteous / Kensington Palace via Getty Images
Prince William with Prince Louis on the swing. Matt Porteous / Kensington Palace via Getty Images
Prince George and Princess Charlotte sitting on a bridge above the garden's stream. Matt Porteous / Kensington Palace via AP
The Duchess of Cambridge also had a go on the swing, a couple of days before her children. Kensington Palace / EPA
The garden has been co-designed by the Duchess of Cambridge, with landscape architects Andree Davies and Adam White, of Davies White Landscape Architects. Kensington Palace / EPA