Nick Carter Opens Up in Tell-All Book

Backstreet Boy discusses drug abuse and more in "Facing the Music and Living to Talk About It."
2:25 | 09/26/13

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Transcript for Nick Carter Opens Up in Tell-All Book
index," backstreet boy, nick carter. He's opening up about his bad boy ways. His drug and alcohol abuse. And his relationship with paris hilton. It's in a new book "facing the music "and living to talk about it. And he sat down with abbie boudre boudreau. Reporter: A boy band known for making big comebacks. Now, nick carter is making one of his own. I don't want to be one of those people who they say, oh, well, remember that guy, nick carter? You know, from the backstreet boys? He's just another one of those child stars that ended up a tragedy. Reporter: In his new book, "facing the music and living to talk about it," he writes about everything from his 2005 dui arrest, to his party-fueled relationship with former girlfriend, paris hilton. You said paris hilton was probably the worst person you could have dated at that time. I'm just a boy toy. Don't get me wrong. Honestly, I was under the influence a lot during that relationship. Reporter:33-year-old carter says his drug and alcohol abuse were so severe, it caused changes to his brain. I was self-medicating. You talk about hydrocodones, vicodins. Reporter: Carter says his problems stem back to the emotional and mental abuse he suffered as a child. Stop it. Reporter: His family dysfunction playing out in the 2006 reality show, "house of carters." That's what it was. There was no thought behind it. Put as much people in the house that have issues and let them explode. Reporter: Carter says he finally turned his life around, after he was diagnosed with a heart condition. The swelling of your heart muscle, due to the toxins, the buildup of toxins in your heart. Reporter: Because of the drugs and alcohol and the hard lifestyle. Yes. Reporter: And now, he says he's feeling and singing better than ever. ♪ I want it that way tell me why ♪ I feel like I've become such a better person, I'm not afraid to show the world, now, who I've evolved to become. ♪ That way ♪ Reporter: For "good morning america," abbie boudreau, abc news, los angeles. Sounds good. He looks good. And so open in his book. Really tells all. The book is out now.

This transcript has been automatically generated and may not be 100% accurate.

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