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 Catherine, Duchess of Cambridge, Kate Middleton, Prince William, Duke of Cambridge

Arthur Edwards - Pool/Getty Images

Prince William has lined up his next big public appearance.

The Duke of Cambridge will host a star-studded charity dinner at Windsor Castle to raise money for the Royal Marsden cancer charity next Tuesday, May 13. Will has worked with the charity for years and even helped open a children's cancer unit at the Royal Marsden Hospital in Surrey in 2011.

While Will's wife Kate Middleton and son Prince George are reportedly not scheduled to attend, celeb guests will include Cara Delevingne, Kate Moss, Benedict Cumberbatch, Helena Bonham Carter, Cate Blanchett and fashion designer Ralph Lauren.

Taylor Swift, Prince William

AP Photo/PA, Dominic Lipinski

Will's star-studded charity gala sounds like the perfect chance for Taylor Swift to reunite with her royal pals!

Will and Swift famously mixed and mingled back in November at the Winter White Gala at Kensington Palace. Will and Swift even performed Jon Bon Jovi's "Livin' On a Prayer" together with Bon Jovi himself!

Before the royal bash back in November, Swift told U.K. media "I'm really excited. I'm really stoked. It's the first royal engagement I've done and I'm very, very honored."