a distinguished female operatic singer; a female operatic star
"The audience erupted in applause when the diva took the stage to sing her final aria."
Any female celebrity, usually a well known singer or actress.
"The diva arrived at the awards show in a diamond-encrusted gown that turned every head."
In plain English: A diva is someone who acts very spoiled and demands special treatment from everyone around them.
"The diva arrived late and demanded special treatment from everyone in the room."
Usage: The term often carries a negative connotation of being difficult or demanding, so use it cautiously when referring to someone you admire. It is informal and should generally be avoided in formal writing.
The word diva comes from the Italian term for a goddess or divine woman. It traveled into English to describe a famous female singer, while originally referring specifically to a deity.