Sienna Miller Takes the Sexy Plunge on Golden Globes 2015 Red Carpet

Sienna Miller rocks a plunging dress at the 2015 Golden Globe Awards held at the Beverly Hilton Hotel on Sunday (January 11) in Beverly Hills, Calif.

The 33-year-old actress is on hand to present an award at the star-studded ceremony, which is being hosted by Tina Fey and Amy Poehler.

PHOTOS: Check out the latest pics of Sienna Miller

Sienna‘s highly acclaimed film Foxcatcher is nominated for Best Motion Picture – Drama, going up against Boyhood, The Imitation Game, Selma, and The Theory of Everything.

FYI: Sienna is wearing a Miu Miu dress and Tiffany & Co. jewels.