Over ten million viewers tuned in to watch the stars perform at the King's Coronation Concert on Sunday night.
The glamorous gig was held at Windsor Castle with the Royal Family and guests cheering on the likes of Lionel Richie, Take That, and Katy Perry put on a show.
But the show was far from perfect, and from broadcasting hiccups to last-minute drop-outs, there were definitely some snags along the way.
Let's take a look at what went wrong on the big night.
James Nesbitt awkwardly cut off
The Bloodlands star was due to perform a 'bespoke piece' for BBC viewers before introducing Paloma Faith to the stage.
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But there must have been a mix-up somewhere along the way because when the cameras were on James, he stood there silently, waiting for his queue to speak.
And before he got the go-ahead, the cameras awkwardly cut away from him.
Eventually, cameras flickered back to James, who had finally been given the nod to start speaking. And it didn't go unnoticed by viewers at home.
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Lionel Richie doesn't deliver
Lionel Richie was one of the big names viewers were excited to see on Sunday night, but when he got out on stage, he failed to wow the crowd.
The 73-year-old performed a selection of his greatest hits, and had Kate and William on their feet, but viewers at home were far from impressed.
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"Genuinely thought it was an impersonator and not #LionelRichie", one Twitter user wrote.
Another tweeted: "Inner ears issues or just can no longer do it? Lionel Richie sorry but that sounded terrible."
Others argued that Lionel sounded fantastic, but there was something wrong with the sound system.
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Tough crowd!
Olly Murs in general
Fans were just as disappointed to see Olly Murs take to the stage on Sunday night, and found themselves involuntarily cringing during his performance.
Some wanted to know 'why do they always roll out Olly Murs at these events', and others were curious where the unexplained American accent came from.
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A third joked that they 'forgot how awful Olly Murs is' before noting that 'it all comes back quickly' once he starts singing again.
Take That's Jason Orange replaced by Britain's Got Talent star
Take That also took to the stage on Sunday night, but there was a notable absence - and I'm not just talking about Robbie.
Bandmate Jason Orange was nowhere to be seen, while Gary Barlow, Mark Owen and Howard Donald took to the stage.
Of course, Jason did quit the band back in 2014, but fans had been holding out hope that he would return for the special occasion.
Instead, Jason was replaced by Britain's Got Talent star Callum Scott. But the grand reveal didn't go down well.
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Broadcast ends abruptly
But viewers couldn't complain for long, because Sunday's broadcast was cut short when Take That's performance ran overtime.
The band closed out the show with a rendition of 'Never Forget' while the crowd danced and waved their Union Jack flags, but when the clock hit 10pm, the broadcast abruptly stopped short.
After that rollercoaster of a night, it was probably for the best.
Topics: BBC, Royal Family, TV And Film, Coronation, Music, UK News