Richest 'The Real Housewives Ultimate Girls Trip: RHONY Legacy' Stars Revealed, Net Worth Ranked From Lowest to Highest

5. Sonja Morgan

Estimated Net Worth: $8 million

Aside from being on The Real Housewives, Sonja Morgan has earned her money from being a former model, film producer and entrepreneur. Her ex-husband John Adams Morgan is the son of the co-founder of financial company Morgan Stanley, and the great-grandson of the founder of JP Morgan & Co.

In addition, Sonja has penned a cookbook featuring toaster oven recipes, created the Sonja in the City events, and appeared Off-Broadway in Sex Tips for Straight Women from a Gay Man.

4. Kelly Killoren Bensimon – TIE

Estimated Net Worth: $10 million

Kelly Killoren Bensimon rose to prominence as a model, and has been the editor at large for Hamptons and Gotham magazines. She is also an author, writing several books, including “In the Spirit of the Hamptons,” “The Bikini Book,” “American Style,” and “I Can Make You Hot.” Kelly has also started her own jewelry line, Kelly Killoren by Kelly Bensimon, and she is also a real estate agent.