Kim Richards checks into rehab for fourth time

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'Real Housewives of Beverly Hills' Star Kim Richards Is in Rehab

Real Housewives of Beverly Hills star Kim Richards has entered rehab for the fourth time.

The move comes after the 50-year-old reality star was arrested on April 16 at the Beverly Hills Hotel for intoxication. She also stormed out of her interview with Dr. Phil last week, after she became increasingly uncomfortable with his questions about her recent arrest.

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Kim Richards checks into rehab for fourth time
Kim Richards, at left, and Kyle Richards arrive at the Bravo Media's 2011 upfront presentation at The Roosevelt Hotel on Wednesday, March 30, 2011 in Los Angeles, Calif. (AP Photo/Katy Winn)
THE REAL HOUSEWIVES OF BEVERLY HILLS -- 'Reunion' -- Pictured: (l-r) Eileen Davidson, Kim Richards, Brandi Glanville, Andy Cohen, Kyle Richards, Lisa Vanderpump -- (Photo by: Evans Vestal Ward/Bravo/NBCU Photo Bank via Getty Images)
THE REAL HOUSEWIVES OF BEVERLY HILLS -- 'Reunion' -- Pictured: (l-r) Yolanda H. Foster, Eileen Davidson, Kim Richards, Brandi Glanville, Andy Cohen, Kyle Richards, Lisa Vanderpump, Lisa Rinna -- (Photo by: Evans Vestal Ward/Bravo/NBCU Photo Bank via Getty Images)
THE REAL HOUSEWIVES OF BEVERLY HILLS -- 'Medford, 90210' Episode 506 -- Pictured: (l-r) Kyle Richards, Kim Richards -- (Photo by: Nicole Weingart/Bravo/NBCU Photo Bank via Getty Images)
THE REAL HOUSEWIVES OF BEVERLY HILLS -- 'Medford, 90210' Episode 506 -- Pictured: (l-r) Kim Richards, Kyle Richards -- (Photo by: Nicole Weingart/Bravo/NBCU Photo Bank via Getty Images)
LOS ANGELES, CA - APRIL 30: TV personalities Kyle Richards and Kim Richards attend REVOLT and The National Cable and Telecommunications Association's Celebration of Cable at Belasco Theatre on April 30, 2014 in Los Angeles, California. (Photo by Alberto E. Rodriguez/Getty Images)
THE REAL HOUSEWIVES OF BEVERLY HILLS -- 'Reunion' Episodes 420, 421, 422 -- Pictured: (l-r) Kyle Richards, Brandi Glanville, Kim Richards -- (Photo by: Evans Vestal Ward/Bravo/NBCU Photo Bank via Getty Images)
The cast of the 'Real Housewives of Beverly Hills', from left, Kyle Richards, Camille Grammer, Adrienne Maloof, Kim Richards, Taylor Armstrong and Lisa Vanderpump attend the QVC 'FFANY Shoes On Sale' benefit for breast cancer research at Jazz At Lincoln Center on Wednesday, Oct. 13, 2010 in New York. (AP Photo/Evan Agostini)
NEW YORK, NY - MAY 15: (L-R) Kim Richards, Yolanda Foster and Kyle Richards attend the 2014 NBCUniversal Cable Entertainment Upfronts at The Jacob K. Javits Convention Center on May 15, 2014 in New York City. (Photo by Astrid Stawiarz/Getty Images)
HOLLYWOOD, CA - OCTOBER 23: Kim Richards and Kyle Richards attend the 'The Real Housewives of Beverly Hills' and 'Vanderpump Rules' premiere party at Boulevard3 on October 23, 2013 in Hollywood, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - APRIL 30: (L-R) Actresses Kyle Richards and Kim Richards attend the REVOLT & NCTA Host VIP Gala For Talent & Cable Execs at Belasco Theatre on April 30, 2014 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
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"Kim went to rehab finally because she got arrested, she humiliated her kids and she wants to avoid jail," a source tells People. "If the arrest hadn't happened she wouldn't be going to rehab; it would be business as usual. She's in denial that she has a problem."

Richards has been to rehab three times. She completed her most recent stint in January 2012.

VIDEO: Kim Richards Takes Responsibility for Arrest -- 'The Whole Night Is My Fault'

"A big part of all of this is that she is just stressed out," a family friend also tells the magazine about Kim's latest setback. "She is under a lot of pressure, especially because of Monty [her ex-husband, who's battling stage IV cancer]."

According to the Beverly Hills Police Department, police were called around 1:30 a.m. on April 16 by hotel security because Richards was allegedly acting belligerent and refused to leave the restaurant inside the hotel. After getting taken into custody at 2 a.m., Richards allegedly dropped to the floor of the jail and started kicking an officer in the leg.

Richards explained to Dr. Phil about the incident, "I poured a drink of vodka, and I thought 'Oh my God, what have I done?' ... I knew what I had done. The whole night is my fault."

NEWS: The Biggest Celeb Arrests of 2014

Watch the video below for more information on Kim's shocking arrest.

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