At the actual wedding you are normally fine, if you are staying in the hotel you get ready and go down to the reception, easy no tights required. The rehearsal dinners, however, require you to leave the hotel, which means you are destined to be cold. That is why a leather jacket is my favorite go-to in this situation. Stay warm, stay cute, stay happy.. NO tights needed (for me at least)!
Leather jackets can get pricey, but there are always a few gems out there.. here are some of my favs: