Other celebrities at the fundraiser included Kate Beckinsale, who turned heads in a white dress with a matching mask.Gold Sharing the night on Instagram, the 47-year-old Brit said she was "grateful to be a part of efforts to prioritise creating a more united and sustainable world for generations to come".Singer Leona Lewis, 35, and actress Sienna Miller, 38, were also at the event, hosted by Prince Albert III.The Bleeding Love star sparkled in a gold gown with a flowing train while American Sniper star Sienna wore a black velvet maxi dress.They were joined by actors Johnny Depp, 57, and Andy Garcia, 64, along with musician, Sting, 68.The A-listers partied with scientists and philanthropists to support the foundation's initiatives to bridge.
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