bachelorette party

US /ˌbætʃ.əl.əˈret ˌpɑːr.t̬i/
UK /ˌbætʃ.əl.əˈret ˌpɑːr.t̬i/
"bachelorette party" picture
1.

a party held for a woman who is about to get married, typically attended by her female friends

:
We're planning a surprise bachelorette party for Sarah next month.
The bridesmaids organized a fun bachelorette party with games and dancing.