Ramona Singer, $18 Million
Singer’s endeavors into the world of fashion and skincare really helped her earn her significant net worth. Singer is the owner of RMS Fashions, a creator of the skincare line Tru Renewal, and the creator of Romona Singer Jewelry, which is sold on the Home Shopping Network. Singer is also the only cast member to appear on all 12 seasons of “The Real Housewives of New York.”