"I've lived recklessly. I've made a lot of mistakes."

Mindy McCready is owning up to her faults. The country singer, recently released from her third stint in jail, is sharing her regret over drug addiction, legal woes and her alleged affair with married baseball star Roger Clemens.

"Carrying on a relationship with him is not something I'm proud of," the 32-year-old McCready told the syndicated TV show 'Inside Edition,' explaining that she and Clemens were careless about being seen together. "We never had a meeting in secret. We went on vacations together. We went to Palm Springs. We went to Las Vegas, New York City."

Clemens continues to deny an affair, insisting the relationship was platonic. McCready, who says she met Clemens when she just 16 years old, admits they started off as friends but developed a sexual relationship several years later. She says the demise of their romance came when she realized the famed pitcher would never marry her.

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"I wanted him to do right by me," she says, "and when he wouldn't, I broke it off."

McCready is now trying to do right by Clemens' wife, Debbie, saying she has "nothing but remorse and nothing but sympathy for what she (Debbie) had to go through with this situation," adding, "She has my utmost apology."

The news of the alleged affair broke just as McCready was battling several criminal charges, drug addiction, depression and a custody battle over her then 2-year-old son, Zander.

"There aren't words to describe how painful it's been," she says. "So painful, I haven't wanted to live."

But McCready remains hopeful for her future, as she tries to make a comeback, both professionally and personally.

"Redemption is out there for everybody to get," she says. "Just watch me. I'm gonna show you how to do it."