Who should give me away to my husband to be?

Ok so I am just... starting my wedding planning and we are newly engaged. I think I will have 2 major problems. First Question is who should give me away? I am close to my dad and I am also close to my step dad and I don't want to be in a hard spot. My other idea would be for my son to give me away, my fiance has been in his life since he was 3 and will be 8 when we get married. My fiance wants to adopt my son, and they have developped a relationshiop. Would it be odd if it was my son who gave me away? Or should I just pick one of my dads to do it?

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