However, Kate Middleton admittedly didn’t anticipate a proposal on that trip.

William later jokingly asked the singer, “Did you know you’ve got a bit of competition?”

when they met in 2012 at the Diamond Jubilee concert honoring Queen Elizabeth II.

Kate Middleton smiling, waving

In another life, perhaps Cole and the princess could have done a duet.

They said, “She has already had her hen night, but it was certainly very low-key.

[…] It was done privately.

Kate Middleton smiling & Cheryl Cole smiling

Other rumored guests that they speculated could have attended were Astrid Harbord and Alice Hadden-Paton.

Still, even without alcohol, Kate’s karaoke likely kept the party lively!

It is a private matter.”

Kate Middleton smiling

Of course, the wedding itself wasn’t private.