dress rehearsal

US /ˈdres rɪˌhɜːrsl/
UK /ˈdres rɪˌhɜːrsl/
"dress rehearsal" picture
1.

a final rehearsal of a play or other performance, using costumes and props and with the scenery in place, as it will be in the real performance.

:
The cast held a full dress rehearsal the night before opening.
The technical crew worked tirelessly during the dress rehearsal to fix all issues.