A fixture of New York City society, Sonja runs in social circles that include European royalty and top-notch designers. In this week's episode, Sonja offers to throw LuAnn's charity party at her five-story Upper East Side townhouse. Meanwhile, Bethenny confides to Alex about her recent family and friend troubles. Ramona has a surprise for Mario, and Brooklyn Fashion Weekend has finally arrived with Alex, Kelly and Ramona strutting the catwalk. Meanwhile, Bethenny is shocked but happy to discover that she is pregnant.