You Didn’t Write That: A Brief Guide to (Alleged) Pop Plagiarism

Jessica Simpson, of course, isn’t the only pop tart who owes a debt of gratitude to the ouevre of Madonna. Lady Gaga’s megasmash “Born This Way” was universally compared to — and sometimes derided as a knockoff of — Madge’s “Express Yourself.” Madonna remains bitter about it to this day, sometimes performing the two songs as a medley to remind fans who came first, though she never pursued legal action against Simpson or Gaga.

Next Avril Lavigne, “Girlfriend”