Kate Middleton‘s impeccably-style updo is holding a little secret — a hairnet!The royal mom of three kept her elegant updo in place with the classic reinforcing hair accessory. But this isn’t your lunch lady’s hairnet. The royal’s discreet accessory, which comes in a variety of colors, is much thinner and almost impossible to detect. And at under $2, this is one affordable beauty hack.Kate used the brown-colored hairnet to lock her updo in place during the Buckingham Palace flypast on Tuesday to mark the 100th birthday celebrations of the Royal Air Force with a special flypast.Jeff Spicer/GettyJeff Spicer/Getty ImagesShe rocked thesame updo style on Monday for the christeningof her 3-month-old son,Prince Louis.PA Images/SipaThis isn’t the first time Kate has been spotted wearing one. She regularly keeps her chignons in place with a hairnet.Samir Hussein/WireImageRELATED VIDEO: The ‘Duchess Slant’ and No Messy Bun!Meghan MarkleShows Off Royal Transformation Alongside QueenOf course, we can’t forget Kate’s ultimate go-to retro hair accessory — the headband! The royal is singlehandedly flipping the script on what’s hot in hairstyles.Can’t get enough of PEOPLE’s Royals coverage?Sign up for our newsletterto get the latest updates onKate Middleton,Meghan Markleand more!And while her new sister-in-law,Meghan Markle, recentlysported a Kate-inspired blowout, she has yet to sport a hairnet. But as she makes the transition frommessy bunstosleek updos, she might be coming to Kate for hair accessory inspiration.

Kate Middleton‘s impeccably-style updo is holding a little secret — a hairnet!

The royal mom of three kept her elegant updo in place with the classic reinforcing hair accessory. But this isn’t your lunch lady’s hairnet. The royal’s discreet accessory, which comes in a variety of colors, is much thinner and almost impossible to detect. And at under $2, this is one affordable beauty hack.

Kate used the brown-colored hairnet to lock her updo in place during the Buckingham Palace flypast on Tuesday to mark the 100th birthday celebrations of the Royal Air Force with a special flypast.

Jeff Spicer/Getty

Members Of The Royal Family Attend Events To Mark The Centenary Of The RAF

Jeff Spicer/Getty Images

Members Of The Royal Family Attend Events To Mark The Centenary Of The RAF

She rocked thesame updo style on Monday for the christeningof her 3-month-old son,Prince Louis.

PA Images/Sipa

Prince Louis christening

This isn’t the first time Kate has been spotted wearing one. She regularly keeps her chignons in place with a hairnet.

Samir Hussein/WireImage

kate middleton

RELATED VIDEO: The ‘Duchess Slant’ and No Messy Bun!Meghan MarkleShows Off Royal Transformation Alongside Queen

Of course, we can’t forget Kate’s ultimate go-to retro hair accessory — the headband! The royal is singlehandedly flipping the script on what’s hot in hairstyles.

And while her new sister-in-law,Meghan Markle, recentlysported a Kate-inspired blowout, she has yet to sport a hairnet. But as she makes the transition frommessy bunstosleek updos, she might be coming to Kate for hair accessory inspiration.

source: people.com