inordinate fascination with oneself; excessive self-love; vanity; takes way too many pictures of themselves
So self absorbed, they can't even notice when people don't like them, or don't want them around, or don't like their excessive singing.
Person1 - Who is that person?? They're a total Narcissist!
Person2 - Who, Amarie? Yeah, we know.
An individual, typically male, who suffers from an inferiority complex as a result of not receiving enough attention as a small child. As a result, this person suffers from an all-pervasive need for attention and often acts as if he/she is superior.
Napoleon is famous for the narcissism he developed as a reaction to his short stature.