Obama speechwriter Jon Favreau was among the 300 guests who attended the UrbanDaddy.com launch party at the W Hotel over the weekend.
White House aide Ali Campoverdi, Blonde Charity Mafia's Katherine Kennedy and Facebook's Andrew Noyes were among the guests at the Friday night soiree on the top floor of the W, according to Politico.com.
Some guests slipped out for an impromptu after-party at the Shadow Room where DJ Pauly D was spinning, according to The Hill.
