much ado about nothing

US /ˌmʌtʃ əˈduː əˌbaʊt ˈnʌθɪŋ/
UK /ˌmʌtʃ əˈduː əˌbaʊt ˈnʌθɪŋ/
"much ado about nothing" picture
1.

a great deal of fuss or excitement about something unimportant

:
All that arguing over who gets the last slice of pizza was much ado about nothing.
The media coverage of the celebrity's minor argument was much ado about nothing.