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Can you imagine a photo op that Julia Allison wouldn't attend? What happens in Vegas goes instantly to Valleywag, Allison knows, and so she flew to Las Vegas to attend Randi Zuckerberg's bachelorette party. Zuckerberg, whose wig-and-sunglasses disguise did not deter the Web's paparazzi, is a budding Web video star, Facebook's marketing director, and, unlike younger brother Mark, an actual Harvard graduate. In what's surely a first, Allison, the tech-obsessed TV personality, managed not to hog the camera; she's in only one of the shots. Facebook's Meagan Marks also appears sporting what looks like a freshly acquired head wound. A slip and fall on the dance floor? Our informants are investigating. In the meantime, enjoy the evidence of Zuckerberg's bacchanal. A warning: If plastic sex toys offend your coworkers, one photo may be unsuitable for office computers.

Update: Julia Allison has posted another photo of herself with Zuckerberg. Has no one ever told her that only the bride wears white?

This image was lost some time after publication.