Lady Amelia Spencer exuded elegance as she joined her husband Greg Mallett on Thursday for the Breitling Knightsbridge launch party and 140th anniversary celebration.
Amelia wore a sophisticated black midi dress featuring sheer lace panels on the chest and waist. She complemented the airy ensemble with icy blue metallic heels and a coordinating pale blue shoulder bag.
Her hairstyle was a departure from her slick ponytail earlier in the day, now styled in a charming half updo with mermaid waves cascading down. Her makeup enhanced her features with a sharp contour, glossy nude lip, and sparkling eyes.
Earlier in the day, Amelia traded her race day attire for a different look to attend another exclusive summer sporting event.
The 31-year-old niece of Princess Diana was spotted at The Boodles tennis tournament alongside her husband Greg Mallett and twin sister Lady Eliza Spencer, who looked equally stylish in a chic power suit.
In a selfie with her husband, Amelia sported a mid-tone blue and white striped blazer paired with matching wide-leg trousers and a fitted top in the same fabric.
She accessorized her smart Brunello Cucinelli ensemble with grey raffia mules and a sleek low ponytail, both practical and stylish choices for the summer heat.
Completing her ensemble were a grey suede clutch and oversized sunglasses. Meanwhile, Greg looked dapper in light chinos, a white T-shirt, and suede boat shoes.
