Somedays it feels as though everyone is partying except the Duchess (Lady Slater, that includes you!). Such was the case last night; while the Duchess was at home, ahem, working, 'twas but a mere mile away that the Hollywood scene gathered together (at the Chateau Marmont) in luminous form in honor of the West Coast opening of a new Vivienne Westwood boutique (8320 Melrose). Though the store opened in February (in the midst of awards season), party-time was delayed and thus Dame Viv's revelers got to enjoy one of the warmest nights of the year. Cheers! In absentia.