Armstrong appeared in several episodes, accompanying Taylor's wife to events. They often discussed the problems of relationship with other women in the program, which debuted last fall.
In February, she wrote on her website that she and her husband "is working on our communication and spend more time together. Without our Blackberrys" and that "the show that gave us a call for attention and why we are grateful."
The second season is scheduled to begin September 5. In the first episode, recorded months ago, Taylor Armstrong said that the other housewives she and her husband go to therapy.
Later, she breaks to mourn at a party when one of the husbands of other women would say that therapy is a sign of weakness. She also shown shopping for undergarments to help spice up your marriage.
Bravo provided an advance copy of the first episode to the press last week.
Court records show Taylor Armstrong filed for divorce July 15 in Los Angeles. Russell Armstrong had not yet responded to your request.
The couple was sued last month, 1.5 million dollars for a company that claims the pair diverted investors' money to promote their lavish lifestyle, including new decoration of his mansion.
The complaint stated Russell Armstrong has been shown to be a successful venture capitalist who said he had gained 2 billion for various entities.
Her publicist, Rebekah Iliff said he was the founder and CEO of Crescent Financial Partners. He also confirmed that the couple was in the midst of a divorce.
The problems of the relationship is set to be part of the second season of the show, housewives, said teammate Kyle Richards and Camille Grammar, whose divorce from her former husband Kelsey Grammar plays in the first season of the show.
Richards said in an interview last month that viewers could expect to see "the situation in Taylor, just watch it unravel, and is a very emotional issue. A very difficult issue"
Richards and Grammar said he was not surprised that Taylor Armstrong filed for divorce.
"I think we all saw in the first season were not exactly a match made in heaven," Richards said.
Taylor Armstrong often complained to his fellow cast members who felt abandoned by her husband. She says on her website that she met him in 2004, and court documents were married in 2005.
They have a daughter, age 5, Caroline Kennedy Armstrong.
In addition to Taylor Armstrong, Richards and Grammar, "The Real Housewives of Beverly Hills" stars Adrienne Maloof, Kim Richards and Lisa Vanderpump. Two other women joined the program in its second season: Dana Wilkey and Brandi Glanville, dealing with the consequences of their own high-profile divorce.
Glanville ex-husband, Eddie Cibrian, recently married singer Leann Rimes apparent after an affair documented in the tabloids and online.
"The Real Housewives of Beverly Hills" is the newest in the "Real Housewives" franchise, which continues to wealthy women in cities like Atlanta, Miami and New York.
Some of the other "Women" led to Facebook and Twitter to express their condolences.
"Shocked and deeply saddened to learn of the death of Russell Armstrong," wrote Jill Zarin, who appears in the version of New York on Tuesday.
"Words can not express how much my heart is breaking my sister homemaker companions (a) taylorarmstrong and her daughter," Gretchen Rossi, who appears in "The Real Housewives of Orange County," she wrote on Facebook . "Please keep her and her family in your prayers and thoughts today. RIP Russell Armstrong."