Happy birthday Emma Watson! Our favorite Brit's best looks
Emma Watson wearing Christian Dior Couture at the 71st Annual Golden Globe Awards.
Emma wore Saint Laurent for a visit to 'Late Show With David Letterman'.
Emma in Vera Wang at the Academy Awards.
Emma's simple choice for the 19th Annual ELLE Women In Hollywood Celebration.
Emma wore Christian Dior Couture to the Christian Dior show as part of Paris Fashion Week (of course!).
Emma in J. Mendel for the Madrid premiere of Noah.
Emma wore Misha Nonoo for the British Fashion Awards.
Emma wore Ralph Lauren Collection to the UK premiere of Noah.
Emma wore this printed Maxime Simoens dress to accept the MTV Trailblazer Award at the 2013 MTV Movie Awards.
Emma attends a dinner hosted by the Duke of Cambridge wearing Ralph Lauren.
During the Germany Noah premiere, Emma wore this black Wes Gordon gown.
Emma wore a Giambattista Valli blouse and J.Brand jeans to the design house's Haute Couture show.
Emma looked ethereal at the World Premiere of Harry Potter and The Deathly Hallows - Part 2, wearing a feathered Oscar de la Renta gown.
Emma attended the Valentino Haute Couture show in Paris, wearing a Valentino skirt and bralette, with a BLK DNM leather jacket.
Emma wore this Christian Dior coat for the launch of the HeForShe Campaign.
Emma chose this Burberry gown for the 2010 Costume Institute Gala.
For the UN Women's HeForShe After Party, Emma wore a dress by Boss.
Emma wore Giambattista Valli for the Elle Style Awards 2014.
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Emma Watson is one of our favorite British stars for several reasons. Not only was she the perfect level-headed, library-loving, best-friend-to-heroes Hermione in the "Harry Potter" series, she's also an activist in real life who is working to make this world a better and safer place through the He for She campaign. Top it all off with the fact that Emma's incredibly stylish and talented, and... well, you probably get the point!
To celebrate her 25th birthday, we're rounding up her best, most stylish looks from the last few years.