12 Shocking Things You Never Knew About Princess Diana

There's always more to learn about Princess Diana. Find out some little-known facts about the People's Princess in this slideshow.

She did not make good grades in school. She failed important exams and had to leave the West Heath School at age 16. via Facebook

Though academics weren't for her, she was a very talented dancer. She actually wanted to be a ballerina when she was much younger.

She was a kindergarten teacher at Young England Kindergarten before her engagement to Prince Charles was announced in 1980.

She is a distant relative of eight presidents of the United States, including our very first! She is the eighth cousin five times removed from George Washington.

White roses were her favorite flowers.

Though she looked absolutely regal in tiaras, she didn't like wearing them because they gave her a splitting headache--especially on her wedding day.

Though she typically ate very healthy food, she had a weakness for Royal Chef Darren McGrady's irresistible bread and butter pudding. Can't say we blame her! via Facebook

According to Royal Chef Darren McGrady, Diana's own cooking skills were less than stellar. “She was just the worst, a terrible person in the kitchen,” he said.

Though she enjoyed many different genres of music, from The Eagles to Beethoven, it's believed her favorite record was the soundtrack to Franco Zeffirelli's 1968 film Romeo and Juliet.

Her favorite vacationing spots were the Caribbean islands of Antigua and Barbuda. Judging by this photo alone, we can definitely see why!

She once invited supermodel to the Kensington Palace just because Prince William (then age 13) had a huge crush on her. Aww!

She had great skin and didn't need to wear much makeup, but she always had a full makeover with foundation and concealer because she was photographed so much. We think she was beautiful no matter what!

Princess Diana’s oldest sister, Lady Sarah McCorquodale, dated Prince Charles for nine months in 1977. Their short-lived romance came crashing down after Sarah gave an embarrassing interview about the Prince, claiming that the duo was "just friends."

During the early days of her marriage to Prince Charles, Diana wanted to put her dancing skills to use and surprise her new husband. While the duo was on a date at the Royal Opera House in England, she politely excused herself then appeared on stage to perform a magical duet with dancer Wayne Sleep to Billy Joel's "Uptown Girls!"

Most people know that Princess Diana had two older sisters, Jane and Sarah, and a younger brother, Charles (pictured), but the late princess also had a secret older brother who was born on January 12, 1960. He was named John after his father, but sadly he died 10 hours after his birth due to severe deformities. He is buried on the grounds of Sandringham where Princess Diana often visited him. His death stayed with her for many years, and she once remarked: “I was the girl who was supposed to be a boy.”

When Princess Diana and her siblings discovered that their father had secretly married Raine the Countess of Dartmouth in 1976, Diana was so furious that she slapped her father. Diana's father, John Spencer, had divorced Diana's mother, Frances Shane Kydd, in 1969, but Diana and her siblings did not like Raine.