Paris Hilton, River Viperi LAX black leather pants

From her leather pants to his smart and preppy outfit, these two are the best dressed couple around!

On Friday morning Paris Hilton and her boyfriend River Viiperi departed from Los Angeles International Airport, and the lovebirds landed in New York City later in the day.

Miss P tweeted, "Ready to hit New York Fashion Week with my new @PHpursesGlobal Fall Collection," and she also posted a shot of herself indulging in some retail therapy before liftoff. "A little last minute shopping before I take off to New York. I love that they have a @KitsonLA at the airport! #Shopaholic," she tweeted. But of course!