Danny O'Donoghue from The Script described the band's performance for the Queen today as an "out-of-body experience".
The Voice mentor told ITV News his heart was in his mouth, adding, "I was just thanking the Lord I didn't forget the lyrics!"
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The Duke of Cambridge said his children were beginning a "lifetime of friendship" with Canada as they began their tour of the country.
When and where are they on, and how do they work?
What better, more dramatic spectacle has there ever been on American television?