In a spoiler-filled chat, the star breaks down the twists and turns she didn't know about until two weeks before the movie ...

Spoiler alert! We're discussing the surprise cameos and end-credits scene of the new "I Know What You Did Last Summer." If you haven't seen the film and don't want to be spoiled, stop reading now.

Freddie Prinze Jr. clarified that he and Jennifer Love Hewitt 'run in different circles' but worked together for the 'I Know ...