If you were a young English socialite with royal connections and a backside with its own Facebook page, how you would you spend your 29th birthday?

OK! GALLERY: "HER ROYAL HOTNESS" PIPPA MIDDLETON HEADS TO WORK IN LONDON

Not much is known of how Pippa Middleton will spend hers, but photographers today managed to snap a few shots of her exiting a cab wearing a flirty red dress and entering NYC's trendy meatpacking district hot spot, SoHo House.

The British beauty arrived in the Big Apple last week and spent all weekend gallivanting with various different bold-face men (Andre Balazas, Chace Crawford and Sean Avery) and party-hopping all over Manhattan and Long Island.

OK! GALLERY: PIPPA MIDDLETON SITS FRONT ROW AT LONDON FASHION WEEK SHOW

Today, however, spies only noticed her enjoying the company of a few female gal pals.

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