Prince Harry seemed to really enjoy this year's Commonwealth Day service, and it looked like he particularly got into Clean Bandit's performance.

The dad-to-be joined the rest of the Royal Family , including wife Meghan Markle and grandmother the Queen, at Westminster Abbey for the celebration.

Pop group Clean Bandit performed their hit track Symphony at the event, and it went down really well with the invited guests.

Harry was spotted nodding along to the song, until it appears someone caught him and he started to giggle.

Pregnant Meghan then turns around to look at what he's laughing at and the couple share a sweet moment.

He's clearly a big fan! (
Image:
BBC)

Earlier in the afternoon the duchess greeted her sister-in-law Kate with two kisses on the cheek as they arrived at the event.

Meghan wore a cream Victoria Beckham dress featuring a locks and chain pattern, teamed with a chic hat and green suede heels.

Kate opted for a bright red knee-length button down coat, beige heels and a Gina Foster hat.

Grace Chatto from Clean Bandit outside Westminster Abbey (
Image:
Getty Images)

It was Meghan and Prince Harry's second Commonwealth event of the day, having spent the morning at Canada's High Commission in London .

Meghan wore a custom green wool embellished coat and matching dress by Canadian and Turkish fashion designer Erdem for the earlier event. 

The couple watched youngsters, whose parents work at the commission, making and eating Canada's quintessential sugary treat - maple taffy.

After watching the youngsters and listening as Harry asked "how many of these are you allowed?,  the Duchess tried making one for herself.

Meghan and Harry were the first royals to arrive (
Image:
AFP/Getty Images)

She then gave it to nine-year-old Elodie-Rose Dugua-Inegbese.

The schoolgirl said about being given Meghan's taffy: "I was so excited. She said 'does anyone want one?' And she said to me 'would you like it?' Then (she) handed it to me."

"It was really fun meeting Meghan and she's really pretty and was really friendly."

The Duchess has an affinity with Canada, having spent seven years working in the country, mostly based in Toronto, when filming the hit series Suits.