My brother got married a few years ago and my two sisters and I were all bridesmaids. My sister-in-law is nice and I like her, but we are not super close. She and my brother live far away and we don't see each other very often. Am I required to include her in my wedding party? I have many friends (in addition to my two sisters) who I am closer with. I honestly never thought about including her until my sister said her feelings would probably be hurt if she were not a bridesmaid.