Jesse Williams is spending some quality time with his new costar, Alejandra Onieva. The pair were photographed on Thursday, September 4, while out and about in Milan. Williams, 44, and Onieva, 33, were all smiles as they held hands while walking through the city. Williams and Onieva sported coordinating looks for the occasion. The Grey's Anatomy alum rocked a cream polo shirt, matching pants and sneakers. Onieva dazzled in a brown and cream striped long sleeve blouse. The top was unbuttoned and tied together, showing off her long chain necklace.