The uber-skinny Nicole Richie says that, contrary to media reports, she was back in rehab this month and was just "on tour with [Joel Madden]" - her Good Charlotte boyfriend.

Richie went on On Air with Ryan Seacrest's KIIS FM morning show Wednesday, saying she believes that because she was not photographed for over a week, reports surfaced she was in rehab for drug abuse and eating disorders.

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