Proving there is life after the “Real Housewives of New York,” Kelly Bensimon has been accepted into business school in Boston. Her rep confirmed she’ll be doing an online MBA in business and finance at Northeastern University. We’re told Kelly is also working on a new book, and was recently signed to New York Model Management with legendary agent Marion Smith, her original agent at Ford Models more than 20 years ago. Kelly has said she has no regrets about leaving the Bravo show in 2011.