They're called the "vocal trinity": Whitney Houston, Mariah Carey and Céline Dion are the first divas of the pop era. But what defines a diva?
Whitney Houston
Céline Dion
Mariah Carey
Camélia Jordana
Michael Jackson
Kristin K. Lieb
Carl Wilson
Catherine Rudent
Olivier Cachin
Julie Fuchs
Daphne Brooks