Frequently topping our list for most stylish sisters, who can really blame these two for turning to each other for some fashion inspiration every now and then?
Below, 10 times Kate and Pippa Middleton borrowed each other's style.
1. When They Rocked A Casual Blue Striped Dress
Kate Middleton donned this summer Zara dress while at a charity polo match in June 2018. A month later, Pippa followed her lead, stepping out in this blue striped dress that perfectly shows of her baby bump, while attending Wimbledon.
2. The Casual Striped Top and Jeans Look
Kate looked very casual chic in a striped top, blue jeans and blazer while attending SportsAid Athlete Workshop on October 18, 2013. Pippa channeled the same casual vibes, in her black-and-white stripe Alice & Olivia top while out running errands in September 2012.
3. When They Wore Bright Yellow Lace Dresses
Kate wore this delightful yellow dress by one of her go-to designers, Jenny Peckham, while on a three-day tour of Germany. Pippa wore her yellow lace Phase Eight dress in September 2012, while at the US Open.
4. When They Practically Wore The Same Red Dress
The Duchess of Cambridge wore this red dress while visiting a helpline service run by Heads Together on August 25, 2016. Her little sister Pippa wore this statement red dress to 'The Frick Collection' on the Streets of Manhattan on September 6, 2012.
5. When They Both Wore a Classic Trench Coat
Kate wore this classic wardrobe staple when in Northern Ireland visiting Belfast City Hall. Pippa wore her slightly darker trench coat while visiting her older sister in hospital while Kate was suffering from acute morning sickness on December 5, 2012.
6. When They Were Unafraid Of Some Pink and Sparkles
Kate wore this divine dusty rose gown from Jenny Packham while attending the 10th Annual Absolute Return for Kids Gala Dinner at Kensington Palace in June 2011. Pippa wore this gorgeous shimmery pink BOSS dress, to GQ's Men of the Year Awards in September 2014.
7. When They Both Opted For A Simple White Dress with Black Detailing
A classic and chic look. Kate looked classy in this simple white dress, while attending the Ben Ainslie Racing America's Cup Launch Event at the National Maritime Museum in Greenwich in June, 2014. Pippa wore a strikingly similar dress a few years later, looking equally as elegant when she attended the British Heart Foundation: Roll Out The Red Ball in February, 2016.
8. When They Both Wore Baby Blue Gowns
Kate chose to wear this modest dress to the Royal Film Performance of 'Spectre' at Royal Albert Hall on October 26, 2015 in London. Just a few months before in March 2015, Pippa wore her baby blue (and slightly sexier) Hugo Boss dress to a fundraising ball for Disability SnowSport UK.
9. When They Both Fought The Cold In Their Furry Hats
While on a visit to Norway earlier this year in February, Kate braved the winter weather with a chocolate brown fur hat from Lacorine. The Duchess may have borrowed the accessory from her sister Pippa, who wore an identical furry hat in March 2013, as she attended The Cheltenham Festival in London.
10. When They Dared To Bare In Off The Shoulder Dresses
The pair certainly suit an off-the-shoulder dress! Kate wore this stunning white number to a dinner hosted at the Natural History Museum in London, on July, 2016. Pippa turned heads at Wimbledon this year, wearing a pastel-coloured dress by London-based designer Tephi.