Photo: Isa Foltin/WireImage; Frazer Harrison/Getty

Andrea Bocelli and Matteo Bocelli during the television show ‘Schlagerchampions - Das grosse Fest der Besten’ at Velodrom on January 12, 2019 in Berlin, Germany. Kourtney Kardashian and Travis Barker attend the 64th Annual GRAMMY Awards at MGM Grand Garden Arena on April 03, 2022 in Las Vegas, Nevada.

Matteo Bocellisays he and his fatherAndreawere “surprise” guests with an important mission atKourtney Kardashian’sweekend weddingtoTravis Barker.

“He was organizing all the surprises for Kourtney and Travis and we had the pleasure to be there performing for them,” Matteo told PEOPLE. “It’s [was] a very emotional moment and they’re beautiful people.”

Noting that “it’s always emotional to see two people that are confirming their love,” Matteo said performing beside his father was “the most beautiful thing we could do.”

“We were a surprise, so we sang, and then we stayed and we enjoyed the moment with them” Matteo added. “It was very intimate and it was mainly the family, so it was beautiful.”

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Kourtney Kardashian Travis Barker Wedding

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“Domenico Dolce called us last week and asked if we could create a unique surprise for his friends Kourtney and Travis, and all the Kardashian family,” Andrea and Matteo previouslytold PEOPLEin a joint statement. “Portofino is in everyone’s heart and we replied positively to such a lovely moment in their life. We wish them all the best for their future together.”

Added an insider of the performance between the father and son: “It was an incredible moment and a very special performance.”

RELATED VIDEO:Kourtney Kardashianand Travis Barker Dance to ‘Can’t Help Falling in Love’ at Italian Wedding

Travisproposed to Kourtneyin October 2021 on the beach in Montecito, California.

The romantic moment saw the couple standing in a heart made of roses and candles. The proposal and a celebratory dinner with family afterward were featured on Hulu seriesThe Kardashians.

Their Italian wedding is the third time Kourtney and Travis have tied the knot. The first time the couple sparked marriage rumors was on April 4 when they had a"practice wedding"at a Las Vegas wedding chapel.

The spontaneous exchange of vows included an Elvis impersonator as the officiant and took place in the middle of the night. “Can’t Help Falling in Love” was also said to play there, too.

On May 15, the pair werelegally wedat a California courthouse. A source told PEOPLE the wedding took place in preparation for their European nuptials — to ensure the ceremony abroad would be legal.

source: people.com