Theme ideas for multiple celebrations in one party

Hello all! Next year (2027) is a big year for my husband and I. We are both turning 30 (our birthdays are EXACTLY two weeks apart) and will be celebrating 10 years together and 5 years married. Obviously this deserves a celebration and we are both Leos so naturally we want to throw a party. I also love a theme so I was wondering if anyone here has good ideas :) any help is appreciated! ❤️