The Palo Alto Neiman Marcus held a preview of the Oscar de la Renta fall collection for a San Francisco Symphony benefit, and we all know how much Google's Marissa Mayer loves her some de la Renta. So she showed up with boy toy Zack Bogue (far left) and Google senior UI designer Kerah Pelczarski (second from the…

At this very moment, a guest tells me, Google executive Marissa Mayer is throwing a "Blahnikfest" to celebrate her birthday and the premiere of Sex and the CIty. She's rented out a theater at San Francisco's downtown Century multiplex for her friends. Is Mayer our Carrie Bradshaw? Quite possibly, though Mayer's Four…