1 / 10
On the second day of the 2005 Gatcombe Park Festival near Tetbury, England, Duchess Catherine was spotted while having a conversation and wearing blue jeans, a light blue sweater, and a brown hat.
2 / 10
In 2006, Duchess Catherine attended Laura Parker Bowles' wedding to Harry Lopes in Wiltshire, England. She was definitely one of the highlights of the event due to her very peculiar outfit: a cream-colored lace dress, along with a feather fascinator.
3 / 10
Back in the days in 2006, Duchess Catherine was spotted at Heathrow airport wearing a simple outfit which consisted of denim jeans, a white shirt and a gray blazer.
4 / 10
After a late-night out with Prince William and Prince Harry in 2006, Duchess Catherine was seen wearing a black coat which she paired with a black and white bag, and a brown hat.
5 / 10
One day back in 2006 Duchess Catherine decided to wear a black casual outfit to go to work in London. She paired it with a natural hairstyle and make-up.
6 / 10
In 2007, Duchess Catherine was spotted while training on the Thames, as part of the first-all female attempt to row across the English Channel in a traditional Chinese Dragon Boat. Back then she was wearing a very simple outfit which consisted of black training pants and a loose striped long-sleeve shirt.
7 / 10
This photo was taken in 2007. Duchess Kate was spotted leaving Mahiki nightclub in London wearing a top that is SO out of fashion these days....She will surely never wear that again!
8 / 10
Also in 2007, Duchess Catherine (formerly Kate Middleton) was spotted in London after grabbing a coffee, reportedly on her way to work wearing black trousers, and a silver blouse, as well as black boots and a pair of sunglasses.
9 / 10
Nowadays Duchess Catherine often wears neutral colors, but back in 2008, she was spotted after leaving the Raffles nightclub in Chelsea, London, where she spent the night with Prince William, wearing a very colorful dress and black heels.
10 / 10
In 2008 Duchess Catherine attended the 46664 Concert in Celebration Of Nelson Mandela's Life, in London, where she opted for a very casual outfit which consisted of a pair of dark trousers, brown leather boots, and a black floral blouse.
We might be used to seeing the gorgeous Princess of Wales wearing very elegant and sophisticated outfits which make her look even more beautiful than she already is! But her style was actually quite different a few years ago. Take a look at our gallery to find out how she used to dress; we will probably never see her in those outfits again!
Enjoy!