[tweet https://twitter.com/SimonCowell/status/168517180521066496%5D
Cowell remembered Houston as one of the most talented singers of all time, explaining of her personal issues: “It was OK for her to be a diva since she had so much talent.”
Whitney Houston’s Death: Celebrities Mourn the Music Icon on Twitter
Notables from Mariah Carey to Shaquille O'Neal went online to grieve the pop-music legend and her influence on their lives.