Current pop princess Rihanna tweeted "No words! Just tears #DearWhitney", while Christina Aguilera said: "We have lost another legend. Love and prayers to Whitney's family. She will be missed."
Mariah Carey, Whitney's successor as the pop world's biggest big-ballad diva, made a touching tribute, saying: "Heartbroken and in tears over the shocking death of my friend, the incomparable Ms. Whitney Houston. My heartfelt condolences to Whitney's family and to all her millions of fans throughout the world. She will never be forgotten as one of the greatest voices to ever grace the earth."
Pop mogul Simon Cowell said: "I am so sad to hear about Whitney. We have lost one of the greatest singers of all time."
Crooner Tony Bennett was enthusiastic in his praise, saying: "It's a tragedy. Whitney Houston was the greatest singer I've ever heard and she will be truly missed."
Amy Winehouse's father Mitch made reference to his own daughter's tragic end and the recent death of Etta James, tweeting: "Amy, Etta, Whitney. Their music will NEVER die. What a great girl group in heaven. Mitch."
Even teen pop phenomenon Justin Bieber - who was born two years after Whitney had her biggest hit - paid tribute
He said: "Just heard the news. so crazy. One of the GREATEST VOICES EVER just passed. RIP Whitney Houston. My prayers go out to her friends and family."
Barry Manilow said: "I can't believe that Whitney Houston is gone. We spent more than twenty great years together at ARISTA Records with our friend and mentor, Clive Davis. My heart goes out to her family, to Clive, and to everyone who knew and loved this amazingly talented and beautiful artist. I will always love her."
Nicki Minaj tweeted: "Jesus Christ, not Whitney Houston. Greatest of all time."
And Katy Perry said: "So devastating. We will always love you Whitney, R.I.P."
Pink expressed the same sentiment as many singers who felt Whitney had inspired them.
She said: "Whitney was the reason many of us do what we do. 'a few stolen moments is all that we share' RIP."
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