Fashion Accessories Jewelry Brooches By InStyle Editors InStyle Editors Facebook Instagram Twitter Our editors and writers comprise decades of expertise across the beauty, fashion, lifestyle and wellness spaces in print and digital. We prioritize journalistic integrity, factual accuracy, and also having fun with every story we share. InStyle's editorial guidelines Updated on March 26, 2015 @ 10:34AM Pin Share Tweet Email Trending Videos Photo: Sthanlee B. Mirador/Shooting Star Brooches 01 of 03 Helen Mirren Steve Granitz/WireImage The Oscar-winning star of The Queen arrived at last year's Screen Actors Guild Awards wearing this stunning, 29-carat diamond brooch on the back of her midnight-blue Morgane Le Fay gown. She ended the evening, however, with three invaluable objects in her possession: the magnificent Chopard pin...and two SAG Awards. 02 of 03 Jessica Alba Tsuni/Gamma The Fantastic Four star accented this vintage '40s-style dress with a cultured pearl peapod brooch set in 18k yellow gold and made by Jean Schlumberger for Tiffany & Co. Alba wore it to the Alma Awards. 03 of 03 Hilary Swank Sthanlee B. Mirador/Shooting Star Hilary Swank sparkled in a Chanel couture black gown at the Golden Globes. She accessorized her outfit with a Chopard diamond orchid brooch, which was made of 33 carats worth of white diamonds and a 20 carat brown briolette diamond, that she wore in her hair.