Kathy Hilton has brought so much humor to season 11 of The Real Housewives of Beverly Hills. From her hilarious sleeping habits to her goofing around with sister Kyle Richards, Kathy has made us wonder why she couldn't join the reality show earlier. We definitely could watch a full season of Kathy being totally herself. While Kathy doesn't want to be a full-time cast member, she did get a chance to truly shine this past season.

Besides learning more about the rift between Kyle Richards and Kathy Hilton that has now been repaired, we wondre about Paris and Kathy's relationship. It must be amazing to grow up in such a famous and wealthy family. Where does Kathy get all her money from? Keep reading to find out how Kathy Hilton amassed her $350 million net worth.

Kathy And Richard Hilton Have A High Net Worth Of $350 Million

While Kathy's RHOBH co-stars Dorit Kemsley and Erika Jayne have high net worths, there's no denying that Kathy has a ton of money.

Kathy Hilton's $350 million net worth is considered a combined net worth with her husband Rick.

According to Celebrity Net Worth, Richard is the co-founder and chairman of a real estate firm called Hilton & Hyland.

Richard Hilton has done incredibly well in the real estate industry. His company made close to $2 billion in 2013 and in 2011, Richard sold Aaron Spelling's property and made a commission of $3 million.

In 1984, Richard Hilton moved on from an investment banking company that focuses on real estate, Eastdil Secured, and created Hilton Realty Investment. In 1993, Richard teamed up with Jeffrey Hyland to start their own company called Hilton & Hyland.

Of course, Richard Hilton is part of the famous Hilton family. Business Insider reported that Conrad Hilton purchased a hotel back in 1919. He kept purchasing hotels in Texas and then opened one in Los Angeles and created the Hilton Hotel Corporation in 1946. Conrad is Richard Hilton's grandfather and Conrad's son Barron is Richard's father, so Richard was born into a super-wealthy family. Blackstone purchased Hilton Hotels in 2007 and paid $26 billion.

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How Does Kathy Hilton Make Money?

While Kathy and Richard Hilton do share a high net worth, Kathy has also made money over the years, and fans can guess that Kathy has been paid well to star on The Real Housewives of Beverly Hills. According to Brian Moylan's book The Housewives: The Real Story Behind the Real Housewives, which had an excerpt in Vulture, a "friend" will be paid for a day of filming instead of a yearly salary.

According to Celebrity Net Worth, Kathy has a fancy dress line called the Kathy Hilton Collection and she has sold skincare on HSN. Kathy also became a reality TV host as she appeared on the NBC reality series I Want To Be a Hilton in 2005. Kathy also became a QVC host in 2002.

Like her famous sisters Kyle and Kim Richards, Kathy was also a child actress and had roles on Happy Days, The Rockford Files, and Bewitched.

When it comes to how Kathy Hilton has made money, she also used to run the store The Staircase on Sunset Plaza, according to Nicki Swift.

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Kathy Hilton Stars On 'The Real Housewives Of Beverly Hills' And 'Paris In Love'

TMZ reported that Kathy Hilton won't come back for season 12 of The Real Housewives of Beverly Hills until she is paid more. Kathy would be a "friend" of the show again and not a full-time member of the cast.

Fans of RHOBH have seen Kathy and Richard's beautiful home which, according to SCMP.com, is worth $53 million. Rick and Kathy also have a house in the Hamptons and they rent it out to people for at least $400,000.

Paris Hilton has a new documentary series on Peacock called Paris In Love which is all about her recent wedding, and Kathy Hilton told E! News that she plays a big role on the show as well. Kathy said, "I'm in it a lot more than I planned on being in it. I'm exhausted. I thought I would be doing very little. I thought you'd see me taking her to register, taking her to get her wedding gown, normal things. This has been a full-time job. I'm almost in it as much as she is."

RHOBH fans who now feel like they know Kathy Hilton should also know that she's all about planning parties. According to Yahoo, she had a party in her backyard so she and her RHOBH co-stars could watch the show. She had a massive pizza from Big Mama's and Papa's Pizzeria and also had balloons that said "Beverly Hills."

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We really enjoy watching Kathy Hilton on RHOBH and definitely hope she does decide to come back for season 12.

NEXT: Are ‘RHOBH’ Sisters Kyle And Kim Richards Still Fighting?