1. there was a celebration, because Isabella's grandparents had a birthday(they turned 70).
2. It was in their garden.
3. Isabella and her cousins put up the decorations, her mum made the food.
4. first, they had lunch, then watched a film with photos and video of the grandparents' lives. then Isabella's little brother played Happy Birthday on his guitar. and later everyone danced to 60s pop music.
5. yes, the party was amazing and everyone had a good time.