From Longman Dictionary of Contemporary Englishprima donnaprima don‧na /ˌpriːmə ˈdɒnə $ -ˈdɑːnə/ noun [countable] 1 APMthe most important woman singer in an opera company2 PROUDsomeone who thinks that they are very good at what they do, and demands a lot of attention and praise from other people In my view, football players are a bunch of over-paid prima donnas.
Examples from the Corpus
prima donna• Despite her glamour she was never a prima donna, and the memory of her vocal clarity and unaffected piety will endure.• Bob Woodward was a prima donna who played heavily at office politics.• I wouldn't want either player on my team - they're both prima donnas.• The days of the creative genius prima donna are over.• Did Parks stomp off in a huff like some injured prima donna, some egomaniac?• Melinda Mullins -- a presence to remember -- plays the prima donna, Hilary, who tosses off an insult a minute.Origin prima donna (1700-1800) Italian “first lady” 