More than 500 gorgeous photos of the royal family are up for auction Thursday Erin ... and beautiful photos of Queen Elizabeth as a child with her younger sister, Princess Margaret.

In honor of Queen Elizabeth II and her illustrious seven-decade reign, we take a walk down memory lane and see how a young Elizabeth made her mark from the start.

When I was a young child growing up, I often saw portraits hanging on ... on her head and a sash across her elegant dress as well as pictures of her in a smart uniform sitting on a horse.