Here's the answer:
“とってもかわいかったです”
(tottemo kawaikatta desu)
Watch a real native speaker say it:
Here's how it sounds in a textbook:
You could also say:
- すっごくかわいかったです
- すごくかわいかったです
Fun fact: the hundreds of thousands of people learning Japanese with Memrise get this phrase correct 90.75% of the time!
