Kate Middletontopped off her elegant look during herrecent trip to the theaterwith a special item of jewelry.

This isn’t first time Kate has borrowed the Queen’s jewelry; this particular pair of earrings is one of the royal’s favorites, and she’s worn them on multiple occasions.

The first time the royal mom of three wore the earrings was at a British Academy Film Awards dinner held in Los Angeles in 2011. Kate has worn them to a number of events since, including the 2017 Variety Performance and the 2018 Tusk Conservation Awards.

Karwai Tang/WireImage

Catherine, Duchess of Cambridge,

Catherine, Duchess of Cambridge,

The royal couple attended a special performance of the hit Broadway musicalDear Evan Hansenat the Noël Coward Theatre in London on Tuesday, held on behalf of The Royal Foundation.

In a note for the show’s program, William said, “Catherine and I are delighted to join you this evening for a special charity performance of Dear Evan Hansen at the Noel Coward Theatre.”

Tim Rooke/Shutterstock

Catherine Duchess of Cambridge and Prince William

Can’t get enough ofPEOPLE‘s Royals coverage?Sign up for our free Royals newsletterto get the latest updates onKate Middleton,Meghan Markleand more!

The award-winning musical tells the story of a boy named Evan who struggles social anxiety and strongly wishes to connect with his peers — so much so that he fabricates a friendship with a deceased student in order to be closer to the boy’s family.

The topic of mental health is a key priority for William and Kate’s foundation, which works to help encourage people to openly discuss their mental health as well as fight the stigma that comes along with it.

source: people.com