YOU SAID:
I kissed my husbands ex-wife at his birthday party
INTO JAPANESE
私は夫の誕生日パーティーで夫の元妻にキスをしました
BACK INTO ENGLISH
I kissed my husband's ex-wife at his birthday party
INTO JAPANESE
私は夫の誕生日パーティーで夫の元妻にキスをした
BACK INTO ENGLISH
I kissed my husband's ex-wife at his birthday party
Okay, I get it, you like Translation Party.