Princess Diana "destroyed" the art supplies Prince Charles packed for the couple's 12-day honeymoon aboard the Royal Yacht Britannia in 1981, according to royal biographer Penny Junor.

Prince Charles's card must have been unexpected for the princess, given Charles wasn't prone to romantic gestures. Her former butler, Paul Burrell, told Marie Claire that Diana would "send romantic cards to Prince Charles" but the gestures weren't reciprocated.

Charles and Camilla will celebrate 20 years of marriage in April in the most romantic of places. Former royal butler Paul Burrell said that the former Prince Charles “wasn’t romantic” in his marriage to Princess Diana—but that he is making up for his mistakes in his first marriage through his second marriage,

Valentine's Day is seen by some as a bit of a Hallmark holiday, and it seems the Royal Family used to think the same way—at least according to one former royal butler. Paul Burrell, who served Princess Diana from 1987 until her 1997 death, tells Marie Claire that the royals weren't big on Valentine's Day, except for the late princess.

Prince Charles and Princess Diana headed on what should have been a romantic honeymoon aboard the Royal Yacht Britannia following their July 1981 wedding. But, as the world would later learn, the trip was anything but the loved-up vacation either of them had planned.