Amazing baubles trotted out to complement flowing gowns and bare necklines.

Beyonce Knowles dazzled in her go-to jewel gal Lorraine Schwartz, boasting gorgeous cascading diamond ovals on her decolletage.

Not to be outdone, Samantha Who? star Christina Applegate complemented her yellow Roberto Cavalli gown with a blooming canary diamond-and-platinum floral necklace by Fred Leighton.

Leighton also got to adorn the blonde locks of W's Elizabeth Banks, whose hairclip set off her dramatic embroidered J. Mendel gown.

Check out or gallery for amazing gems on the likes of Cameron Diaz, Drew Barrymore and Kate Beckinsale.