American Beauty

It wasn't just her Hollywood star power that made Audrey Hepburn glitter. In 1961, during a photo shoot to promote her role as Holly Golightly in the film Breakfast at Tiffany's, the actress was photographed wearing a Tiffany diamond-ribbon necklace. But this was no ordinary diamant?its centerpiece was the 128.54-carat Tiffany Diamond, one of the largest yellow diamonds in the world. The gem, since reset in a brooch known as "Bird on a Rock," pictured, is itself now one of the biggest stars in "Bejewelled by Tiffany, 1837-1987." The exhibition?at the Gilbert Collection, Somerset House in London until Nov. 26 and...