Megastars Brad Pitt and Angelina Jolie made a low-key entrance, before being given a private tour of the museum.
Afterwards they joined the likes of Gwen Stefani, Kate Beckinsale, Jessica Alba and Eva Mendes for a special dinner and this was then followed by a performance by Lady GaGa and the Russian Ballet.
Other guests included John Legend, James Franco, Ciara, Christina Ricci, Chloe Sevigny, Kate Bosworth, Pierce Brosnan and Rachel Zoe.