Kim Richards had a rough couple of months earlier this year, but now, the child actress turned reality star is sober and hoping to remain that way.

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Following a number of alcohol relapses and two arrests, Kim's younger sister, Kyle, of The Real Housewives of Beverly Hills, spoke out about her current state, revealing she's staying hopeful for her sister's sober future.

"I spoke to Kim the other day and she was confident and strong," Kyle told PEOPLE Magazine on Tuesday. "I was like, 'Yes! Let's keep you here.' There are no guarantees, but I'm excited and hopeful."

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In April, Kim was arrested and charged with public intoxication after getting drunk at the Beverly Hills Hotel.

When Kyle heard the news, she recalled, "I was in shock. It was upsetting and I knew she would be beating herself up about it."

As for the future, Kyle admits there are "no guarantees for someone who is an alcoholic," but remains positive for her sister's ongoing recovery.

"I'm always waiting for the end. 'When is this over? When can we put this away and start having fun?' But we can't ever do that," she explained. "And that's something I've had to learn. I just hope Kim will be healthy, happy and sober for the rest of her life. She's got four amazing kids, she's an incredible mom and she has a lot to look forward to."

For more of Kim and Kyle Richards, tune into The Real Housewives of Beverly Hills season six, airing on Tuesday nights at 9 p.m. on Bravo.

Tags: Kim Richards Bravo Reality TV The Real Housewives of Beverly Hills