Amelie was a tall woman. The Prince of Wales at the time was the ill-fated Edward VIII. I cannot identify the Lady to the left and she is not mentioned in the keywords.
From eBay.
It's 1913 and skirts are columns. Details of the bride's dress are obscured by her veil, but Amelie's dress has a vest bodice and may have a bertha. Both Augusta Victoria and Amelie's dresses show extensive drapery. Amelie's hat is very restrained for the era.
Keywords: 1913, Amélie of Orléans-Portugal, Augusta Victoria of Portugal, Orléans family, Hohenzollern family, Bragança family, Princess, Queen, Portuguese, hat, tiara, veil, lace, blouse, vest bodice, sweetheart neckline, fan front bodice, long tight sleeves, natural waistline, close skirt, drapery, floral bodice ornament, necklace, bracelets, gloves, shoes, wedding dress