For many Latino singers and celebrities, Juan Gabriel was more than a just a fellow singer. He was also a friend off and on the stage throughout decades in show business.
"When the rain falls, when it disappears, when the moon comes out, and when the sun goes down #IWillRememberYou rest in peace idol @soyjuangabriel," said fellow crooner and songwriter, Marc Anthony.
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But what touched many fans was his heartfelt and tearful tribute to Juan Gabriel during a concert in New York's Radio City Music Hall on Sunday night. Marc Anthony broke down singing one of his friend's signature songs, "Abrázame Muy Fuerte."
"Juan Gabriel and Marc Anthony got close the last couple of years - this is probably the most emotional I've seen him," said one of Marc Anthony's background vocalists and band members Alex Taveras. She recently did the background vocals on the song that Juan Gabriel and Marc Anthony recently recorded.
Enrique Iglesias, another performer who has also shared the stage with Juan Gabriel, paid tribute to the legendary Mexican crooner.
"Today is a very sad day. We lost one of the biggest and most talented artists of all time," tweeted Iglesias in Spanish.
Cuban-American star Gloria Estefan posted on Twitter and Instagram, "Our unequaled Juan Gabriel is gone from us, a great talent who has brought the world endless unforgettable melodies for decades!
Renowned Mexican singing star Ana Gabriel tweeted, "I'm at a loss for words, I don't know if I can explain how much this hurts, once more, my body trembles..."
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Colombian star J Balvin, posted on Instagram that he was "thankful for your beautiful legacy that you passed through this land. Thank you Juan Gabriel. Let the light accompany you."
Noted U.S. "norteño" band Los Tigres del Norte posted a video paying their respects, saying "The music world mourns and so do we, we lost a great person from our music of Mexico, rest in peace Juan Gabriel."
Ricky Martin's tweet was simple. "Q.e.p.d Juan Gabriel," rest in peace, Juan Gabriel.
Colombian reggaeton star Maluma posted, "I'm in shock..God in your glory you have yourself an idol! Rest in peace Juan Gabriel!
Puerto Rican reggaeton star Nicky Jam wrote, "Rest in peace. One of the most important composers and singers for Latin music."
Juan Gabriel's fellow Mexican crooner Alejandro Fernandez, also known for his romantic ballads, said "A great idol has left us! I can feel this loss for the Mexican people and the world. Rest in peace my dear Juan Gabriel."
And five-Latin Grammy winner Marco Antonio Solís tweeted out a heartfelt tribute: "My countryman and my brother in the firmament of lyrics and melodies, Juan Gabriel says "hasta siempre" (final goodbye) from heaven.