Bono is the latest Irish celebrity to turn down a royal wedding invitation – from Prince Albert of Monaco.

The U2 frontman has declined the invitation just 48 hours after Ireland rugby captain Brian O’Driscoll missed Britain’s royal nuptials.

The 52-year-old Bono and his wife Ali were invited as VIP guests to Prince Albert’s big wedding in an outdoor ceremony in Monaco on July 2nd.

But touring commitments in America mean Bono will have to decline the offer.

A U2 spokesman said: “The band are playing in Nashville that night so Bono won’t be able to attend.

“He has been unable to attend several big functions this year due to the tour but that’s the price they must pay for being the hardest working rock band in the world.

“Bono has sent the Prince a note and a present and has promised to catch up when the tour finishes.”

Prince Albert, son of Hollywood star Grace Kelly, and his bride to be Charlene Wittstock visited Ireland last month, where they included a trip to his late mother’s ancestral home in Mayo.