The recent split of Miley Cyrus’ parents Billy Ray and Tish can be attributed to an affair Tish had with rocker Bret Michaels, according to a new story.

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In their issue this week, UsWeekly reports that Michaels “became close to the entire family” in February when he and Miley released their duet.

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Soon after, Tish and Michaels began to see each other romantically. While reps for both Tish and Michaels deny the affair rumors, a source told the magazine, “it was a professional relationship that turned into something more.”