Emma Watson made a stunning appearance at the Harry Potter and the Half-Blood Prince premiere in 2009, showcasing her growing sense of style and maturity. 

She arrived on the red carpet in a glamorous, strapless black dress by designer Alberta Ferretti. 

The dress, with a voluminous skirt and delicate details, perfectly balanced youthful elegance with sophistication, marking a pivotal moment in Watson's transformation from child star to fashion icon.

Her look was complemented with soft waves in her hair and minimal makeup, allowing her natural beauty to shine through. 

Watson's outfit was widely praised, as she effortlessly embodied the role of Hermione Granger, while also showcasing her individuality and confidence off-screen. 

The premiere itself was a major event, as fans gathered to see the latest installment of the beloved Harry Potter series. 

Watson’s red carpet appearance at this event remains one of her most memorable fashion moments.