The artwork titled “Henrietta Shelley (1731–1809), Countess of Onslow” was created by John Russell in 1769, during the Rococo period. The genre of the artwork is a portrait, capturing the countenance and fashion of the titular Countess of Onslow.
In the artwork, Henrietta Shelley, the Countess of Onslow, is depicted with a serene and reserved expression. She is dressed in a sumptuous gown characteristic of the Rococo era, with a vibrant teal bodice adorned with distinct, ornate ruffles and lace detailing, which implies a sense of luxury and high social status. The portrait showcases the delicate, pastel colours and lightness common in Rococo art. The Countess’s powdered wig is styled in a high coiffure, and she accessorizes with pearlescent earrings, further accentuating her elegance. The backdrop of the artwork is subdued, allowing the viewer’s focus to remain firmly on the Countess’s visage and attire. The inclusion of a luxuriant red chair to her side contributes to the overall sense of aristocratic refinement portrayed in the piece.