Haitian musician Mikaben (born Michael Benjamin) plays guitar as he performs (as a special guest with Emeline Michel.
The singer, whose real name is Michael Benjamin, was appearing at the 20,000-capacity Accor Arena in eastern Paris as a guest of Haitian group Carimi.
He "died after suffering a seizure on stage and despite the efforts of emergency services," the venue announced on Twitter.
Videos on social media show him performing, then suddenly turn and begin making his way towards the back of the stage.
He collapses in full few of spectators, with the music then stopped and medics called.
"I'm shocked by the sudden death of the young and very talented artist Michael Benjamin 'Mikaben'," Haitian Prime Minister Ariel Henry wrote on Twitter.
"We have lost a major figure in Haitian music."
Haiti-born rapper Wyclef Jean, of the hip hop group The Fugees, called him "one of the most influential and inspirational young artists of our generation" in an interview with The Miami Herald newspaper.
Mikaben, son of famed singer Lionel Benjamin, was born in Haitian capital Port-au-Prince in 1981 and was well-known in the local music scene as a singer, writer and producer.
He featured in several Cairimi hits, including "Baby I Missed You" and "Fanm sa Move".
Smiling and thanking fans, he posted a video to his more than one million followers on Instagram from inside the Accor arena on Saturday before the concert.
His wife Vanessa, who is pregnant, posted a message thanking people for their prayers but asking them not to call her.
"I'm in no condition to talk. I lost my other half and have no words," she wrote.
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