Paris Hilton may be in search of a new BFF on her latest MTV reality series, but the most famous heiress in the world confides to E! News that she's actually already found one.

With her trademark cascade of curled blonde hair pinned to the side, Tinsley Mortimer is a charity ball staple, attends countless fashion shows and is one of the most recognizable faces in New York society.

Caption: Paris Hilton . Grand opening celebration for Yellowtail Sushi restaurant and bar inside the Bellagio Resort and Casino - departures.

Paris Hilton is appearing in another campaign ad, this time in a House race in San Diego.

Apparently in the world of a hotel heiress, cooperating in the making of a documentary about your life and actually showing it to the public are two different things.

Caption: Paris Hilton Grand opening celebration for Yellowtail Sushi restaurant and bar inside the Bellagio Resort and Casino - departures Las Vegas, Nevada .... Hotel heiress PARIS HILTON has vowed to curb her ...

Paris Hilton attends the Grand opening celebration for Yellowtail Sushi restaurant and bar inside the Bellagio Resort and Casino.