Denise Richards: I'm "Learning How to Deal" With Charlie Sheen

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Another day, another drama.

Just days after CBS expressed a "high level of concern" regarding Charlie Sheen's recent bender in Las Vegas, Denise Richards says she's had enough of his wild ways.

"I think a lot of people are concerned about Charlie and my concern is obviously…what becomes difficult is things become so public," Richards told Access Hollywood on Wednesday. "I try my best to keep that quiet from our daughters because, you know, this is something I've never dealt with in my life until this situation."

According to Richards, it hasn't been easy shielding Lola, 5, and Sam, 6, from their father's frequent binges.

"I'm learning how to deal with it," she explained. "Just keeping a lid on it for our kids has been my main priority. It does become difficult."

Though she maintains a good relationship with her ex, Richards admit she doesn't understand Sheen's behavior -- particularly his highly-publicized NYC hotel debacle with porn star Capri Anderson.

"The last two years, Charlie and I have been in such a much better place and it makes it so much easier for our daughters," she said. "When we went to New York, that was our intention -- to have a nice time with the girls. I thought it was great that we could all travel together and go out to dinner and do things even though we're not together anymore."

"The events that took place after that, you know, it was...difficult."