The star-studded event was attended by the likes of Diane Kruger, Rose Byrne, Elle Fanning and January Jones, and unsurprisingly, the A-list were dressed to impress in, you guessed it, Chanel.
Alexa kept things cool in an embroidered silk dress, while Blake sparkled in a halter-neck dress with sequin embellished straps. Take a look below to see who was there and what they wore, and let us know which look you prefer in a comment below:
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