Elton John admits that he did not practice safe sex during his drug addiction when the AIDS epidemic began in the 1980s.

The rock singer revealed personal details of his life in an upcoming exclusive interview with "Today" show host Matt Lauer.

"When you take a drug and you take a drink and you mix those two together, you think you're invincible," John tells Lauer. "I came out of this HIV negative... I was the luckiest person in the world."

The interview will be featured on NBC's "Today" in two parts airing Tuesday and Wednesday July 17 and 18. John spoke with Lauer to promote his memoir, "Love Is The Cure: On Life, Loss and the End of AIDS," which hits store shelves on July 17, according to Huffington Post.

John also discussed going pubic with his sexuality, which he revealed in a 1976 Rolling Stone cover story. When asked about his fear of coming out in the 1970s, he replied: "No, it-- I honestly didn't. And it -- to be honest with you, it did a little bit. In America, people burned my records for a second and radio stations didn't play me. It didn't have any effect like the Dixie Chicks had when they made the anti-Iraq statements and their career was ruined. So by me saying gay in the 1970s -- it didn't have a big effect on me whatsoever."

John is married to David Furnish. The British couple welcomed their son Zachary via surrogate in December 2010. The musician, is also an AIDS activist who has raised over $275 million for the Elton John AIDS Foundation (EJAF) which he founded in 1992.