A Belfast schoolgirl is basking in the glory of serenading Canadian singer Michael Bublé at his concert in the city on Monday night. 

Síomha Nic Bhrádaigh was thrust into the limelight after volunteering to sing at Bublé's sell-out show at the SSE Arena.

When he turned to the audience and asked if anyone wanted to sing, she thrust up her hand.

To her surprise, he walked towards her and handed her his microphone.

"My whole heart just stopped," she told RTÉ News.

"I felt so happy I felt like crying. I was just so happy the excitement that was running through me was off the roof, it was class."

Síomha Nic Bhrádaigh impressed Michael Bublé, and the crowd, with her performance Screengrab: An Dream Dearg

The 13-year-old told the star she wanted to sing an Irish ballad, An Cáilín Álainn. It was written by Connemara man Tomás Mac Eoin.

Mobile phone footage has made her a social media hit, and the crooner can be heard urging her not to be scared.

The young fan then became part of the show, going down a treat with the headliner, and the crowd.

At one point, Bublé raises his hands and urges fans to "light 'em up".

Afterwards, he can be heard telling Síomha "that was beautiful, kid", before giving her a hug.

She was back in school studying at Coláiste Feirste in west Belfast for exams the morning after, but her head was in the clouds, not her books.

"When I walked into school I was just crowded by people who said they could not believe it had happened, and how amazing it was," she said.

"I was just so happy that it happened. I was reluctant to do it at the start because I was a wee bit nervous and a wee bit scundered but it was fine. I just done it and now I'm really, really happy that I done it.

"It's not like me to put myself out there and do stuff like that."

One of her teachers said everyone at the school was thrilled.

"It's absolutely brilliant; we are so proud of her," said Brenda Ní Chléirigh.

"Everybody is talking about it today and I believe it is all over Twitter and all over social media."

Bublé's hits include one called Feeling Good.

What happened at his concert in Belfast on Monday night is an experience and feeling one teenage fan is unlikely to ever forget.

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