The phrase 'Much Ado about Nothing' is used when someone is overreacting and makes a big deal of fuss over something unimportant.
Example of use: "Some people make a big fuss about which seat they'll get on the plane, but as far as I can see it’s much ado about nothing, since everyone will get to the same destination at precisely the same time."
Interesting fact about Much Ado about Nothing
'Much Ado about Nothing' is the title of a well-known play by Shakespeare (1599). The phrase assimilated into the English language and to this day is still used in its original form.
