8 Key Differences Between Spencer and Princess Diana's Real Life

In Spencer, Diana is horrified (though seemingly unsurprised) to discover her husband gave her the same pearl necklace he gave to his then-mistress, Camilla Parker-Bowles. There's no evidence to suggest this gift-giving snafu ever happened (or that she ate them at the dinner table). What is true to life, however, is that Prince Charles's affair with Parker-Bowles was, indeed, a primary source of contention within their marriage.