Lady Gaga

A day after Miley Cyrus smoked a joint on stage at the European Music Awards, Lady Gagais opening up about what she believes is a dangerously addictive quality of marijuana.

"You actually can become addicted to it," the 27-year-old singer told Elvis Duran on New York's Z100 Monday. "I have been addicted to it. ... I was smoking up to 15, 20 marijuana cigarettes a day with no tobacco. I was living on a totally other psychedelic plane, numbing myself completely. ... I had to stop."

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But marijuana apparently wasn't her only vice. "I've been addicted to various things since I was young, most heavily over the past seven years," she said during the radio interview. "A friend gave me this term, I 'lily pad' from substance to substance because I get to a point where I can't go any further with one substance so I move to another."

Gaga said her drug use spiraled out of control around the same time that a hip injury forced her to scrap most of the dates on her Born This Way Ball tour. "I was just in a lot of pain and really depressed all the time and not really sure why," she told Duran. "I was not very good at breaking. ... I was in a wheelchair for six months. I did a lot of drugs and took a lot of pills."

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With her new record, ARTPOP, out now, she insists those days are behind her. "I have to be high to be creative," she tells Duran. "Can I be brilliant without it? I know that I can be and I have to be because I want to live, and I want my fans to want to live."

Gaga played a secret show in Brooklyn Sunday night to celebrate the release of ARTPOP on Monday, according to The Associated Press. There, she unveiled what she calls "the world's first flying dress," a battery-powered metal gown she calls Volantis.

Watch video of Lady Gaga's Z100 interview below: