In April, the Puerto Rican singer released a remix of his and rapper Daddy Yankee's hit single, which features Bieber singing in Spanish for the first time.
In May, the Canadian pop star appeared to forget the lyrics while performing the song at the 1 Oak nightclub in New York City.
This past weekend, Bieber denied a fan's request to perform "Despacito" at the Summerburst Festival in Stockholm, saying, "I can't do 'Despacito. I don't even know it," reported E! online.
"I mean, obviously I would love for him to...Learn it. I don't blame him not knowing (the lyrics), and I think we have to give him a little bit of a pass because that's not his main language," Fonsi said.
"We can't expect the guy to just out of the blue get it perfectly," he added. "I mean, it's obvious when he was recording the song he had the lyrics in front of him."
Fonsi said Bieber was the one who chose to record the chorus in Spanish "because he wanted to keep the originality of the song.
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