Looking effortlessly stylish in the grounds of Royal Hospital Chelsea, Lady Amelia and Lady Eliza Spencer posed for photographs on Monday, May 20.

The 31-year-olds, who grew up in South Africa, both wore their long blonde locks down, tucked behind the ears with a middle parting.

Lady Eliza wore a loose-fitting navy wrap dress cinched in at the waist with a tie; the lower half gracefully fell below the knees.

Meanwhile, Lady Amelia opted for a flowy, midi dress with pops of colour; green on the…