The pop star, whose "California Gurls" has become the inescapable song of the season, is being threatened with a lawsuit by representatives of The Beach Boys for appropriating their famous chorus line for her tune, reports the New York Post.
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The line in question was actually uttered by guest star Snoop Dogg on Perry's track, a bubbly ode to beach days and warm nights.
Wilson and Love have previously both admitted to liking Perry's work, especially since she said her tune was a tribute to their legendary band.
"I love her vocal," Wilson said in an interview with the Los Angeles Times. "She sounds very clear and energetic...The melody is infectious."