The royal party boy is back! Fresh off his four-month tour of duty in Afghanistan, Prince Harry enjoyed a night out with a relative and reality stars in London Friday, Feb. 15, Us Weekly can exclusively report.Joined by his cousin, Princess Beatrice, and Made in Chelsea reality stars Hugo Taylor and Spencer Matthews, the 28-year-old was spotted dancing at BodosSchloss, a new ski chalet-style restaurant, bar and dance club owned by his close friend, Thomas Van Straubenzee. Harry reportedly bought a round of shots for the bar."Harry was having a great time drinking with his friends,” a club source tells Us. "He had a good ol’ flirt with some cute girls, including Ashley Roberts from Pussycat Dolls, but it was just banter and he spent most the night with his friends, and Bea, in the VIP area.”Prince William’s younger brother took a regular black cab home, shunning his usual chauffeur driven Range Rover. Ever a gentleman, Harry wrote notes for the taxi driver’s daughter and her friend, which they then posted on Twitter. "Dear Mickie, your dad loves you . . . teach him to drive properly!” he told an English teen named Mickie Jayne. He also wished  her friend, Callie Connelly, a "happy b-day.Agencies