The hottest, heppest chicest stars in Hollyhood came out in droves yesterday in celebration of the brand spanking new Chloe Boutique in LA. Leighton Meester, Chloe Sevigny, Zoe Saldana and January Jones were all on hand dressed to the nines to sip some champs, cold hard grit on one another and check out the latest Chloe collection. In fact, everyone looked so great (and very Chloe-esque) that I