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This Is Reportedly the Only Girl Who Ever Made Kate Middleton Feel Jealous

Marie Claire logo Marie Claire 9/23/2018 Kayleigh Roberts
Isabella Calthorpe, Catherine, Duchess of Cambridge are posing for a picture: Here's what you need to know about Isabella Calthorpe, the girl Prince William reportedly broke up with Kate Middleton to pursue in 2004. She's been called the only girl who can make Kate jealous. © Getty Images Here's what you need to know about Isabella Calthorpe, the girl Prince William reportedly broke up with Kate Middleton to pursue in 2004. She's been called the only girl who can make Kate jealous.

Everyone has a past, even royals. While Prince William only has eyes for Kate Middleton now (and presumably forever more), there was reportedly a time, way back in 2004, when he harbored a crush on someone else.

That someone was Isabella Calthorpe (full name: Isabella Anstruther-Gough-Calthorpe), an objectively beautiful British heiress. Here's what you need to know about Will's former crush.

1. She comes from a very posh family.

Isabella is the daughter of banking heiress Lady Mary Gaye Curzon and John Anstruther-Gough-Calthorpe, (the son of Sir Richard Anstruther-Gough-Calthorpe, 2nd Baronet).

2. Her sister also has a connection to the royal family.

Cressida Bonas et al. posing for the camera: Warrior Games Exhibition VIP Preview Party © David M. Benett - Getty Images Warrior Games Exhibition VIP Preview Party Isabella has several siblings, two full (her older sister Georgiana, who is an artist, and her younger brother Jacobi), and four half-siblings, one of whom happens to be actress Cressida Bonas. Cressida and Isabella have the same mother, the same blonde hair, and the same magnetic pull on the men of the royal family. Cressida famously dated Prince Harry from 2012 until 2014.

a group of people sitting posing for the camera: We Day UK - Show © Karwai Tang - Getty Images We Day UK - Show

3. She's best friends with other royals.

In spite of Isabella's awkward history with the royal family (more on that below), she's still tight with the Windsor clan. She's close friends with Princess Beatrice and Princess Eugenie, both of whom attended her wedding in 2013.

4. She is married to Virgin heir Sam Branson.

Isabella Calthorpe et al. posing for the camera © David M. Benett - Getty Images

In 2013, Isabella married Sam Branson, the son of business tycoon Sir Richard Branson, in South Africa.

5. She's a professional actress.

a group of people posing for a photo: Dirty Dancing Charity Gala Performance - Photocall © Jorge Herrera - Getty Images Dirty Dancing Charity Gala Performance - Photocall Isabella attended the London Academy of Music and Dramatic Art from 2003 to 2005 and went on to become a successful stage and television actress in the United Kingdom. Her credits include Stage Beauty, How to Lose Friends & Alienate People, Trinity, and The Prisoner, among others. 

6. Prince William (in)famously had a huge crush on her.

In spite of her family pedigree and impressive personal accomplishments, Isabella is most famous in many circles for catching the eye of Prince William in 2004. Royal expert Katie Nicholl wrote in her 2010 book William and Harry: Behind the Palace Walls that William visited the Anstruther-Gough-Calthorpe family home in Chelsea to see Isabella that summer and even contributed to Will and Kate's decision to take a trial break from their relationship at that time.

Will reportedly tried very hard to woo Isabella, but was unsuccessful. She turned him down.

"He had fallen for her in a huge way and wanted to be with her. He propositioned her several times that summer and although Isabella was single, she knocked William back and said it would be too damaging for her and her career," a royal source told the Daily Mail in 2007. "She is a name in her own right and on her way to becoming hugely successful. In her view, being affiliated with William in a girlfriend capacity would be damaging for her.

7. Kate Middleton reportedly felt threatened by her.

In William and Harry: Behind the Palace Walls, Nicholl revealed that Kate went so far as to ban Will from contacting Isabella after their 2004 break, writing: "It was obviously the break that William needed, and by Christmas they were back together again, although Kate had a condition. Word had reached her of William’s visits to Isabella, and Kate insisted that William was not to contact her again.

a man that is standing in the grass: The Middleton Family Release Images Of Kate Middleton © Handout - Getty Images The Middleton Family Release Images Of Kate Middleton

In 2007, a royal source told a similar story to the Daily Mail saying, among other things:

"Isabella was very much on the scene that summer. I would go so far as to say that William dumped Kate because he thought he had a chance with Isabella and Kate knew that. Kate's a tough cookie, though, and stood aside and waited for William to come back to her which eventually he did. Before that, though, he did everything he could to woo Isabella."

And:

"William was madly in love with her but when he knew there was no chance of them getting together he went back to Kate. Kate was very aware of his obsession with Isabella and she was incredibly threatened by her. Isabella is drop-dead beautiful and would leave any girl in the shade. Kate accepted William back again but on the condition that he would not speak to Isabella again."

Oof.

8. She still attended the royal wedding in 2011 though.

a group of people standing on a sidewalk: The Wedding of Prince William with Catherine Middleton - Westminster Abbey © Danny Martindale - Getty Images The Wedding of Prince William with Catherine Middleton - Westminster Abbey

After all that, Isabella was ultimately on the guest list for Will and Kate's royal wedding in 2011, so there seem to have been no hard feelings in the long-run.

Related video: Why Prince William and Kate Middleton Reportedly Don't Have Legal Custody of their Kids (Provided by Buzz60)

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