Emma Watson has been known for her elegant and stylish fashion choices, and her navy blue short cocktail dress worn at a Lancôme dinner exemplifies her sophisticated style. 

The dress features a classic silhouette that flatters her figure, often highlighting her poise and confidence.

Navy blue is a versatile color that conveys both elegance and a touch of modernity, making it a popular choice for formal events. 

Emma often accessorizes her outfits with minimalistic jewelry, allowing the dress to take center stage. Soft makeup enhances her natural beauty, with subtle tones complementing the rich color of the dress.

Such choice of attire not only reflects her keen sense of fashion but also aligns with her commitment to promoting sustainable fashion. 

Overall, Emma Watson’s appearance in the navy blue cocktail dress showcases her ability to blend classic and contemporary styles while staying true to her personal brand as an advocate for social and environmental causes.