You can wear dresses, suits, and formal attire that have bright happy colors and make you happy when wearing it. Don't wear white.
Yes! For the ceremony, there will be someone guiding you where to park. For the reception, there are already parking spaces for you.
If the invite addresses the person you want to bring, yes, or if the invite was sent to the person you want to bring, then yes.
Yes! We will have things at the ceremony and reception to keep them occupied.