Cute photos of Prince Louis and Princess Charlotte released

Image source, Duchess of Cambridge

Image caption, Princess Charlotte kisses baby brother Louis

Aw, can you believe how cute these two are?

The Duchess of Cambridge captured this adorable picture of Princess Charlotte kissing her baby brother, Prince Louis, on the princess's third birthday.

Baby Prince Louis was born on 23 April.

He is the third child of Prince William and the Duchess of Cambridge and fifth in line to the throne.

In another snap by the Duchess, we see Prince Louis lying on a white cushion.

Image source, Duchess of Cambridge

Image caption, Strike a pose: Prince Louis casually poses for the camera in a pure white jumper and baby grow while he looks off dramatically into the distance.