Mindy_McCready-ep-230.jpgMindy McCready has entered rehab to be treated for mental health and alcohol issues.

The 37-year-old "Ten Thousand Angels" singer lost her boyfriend, David Wilson, last month, after he reportedly shot himself.

McCready appeared on NBC's Dateline and denied any involvement in his death.

During the interview, she said, "I've never gone through anything this painful. He didn't just touch my heart, he touched my soul."

As for her alcohol abuse, McCready said she has "indulged in too much alcohol because she was still mourning David's passing."