Freddie Prinze Jr. has admitted he's "glad" he was able to keep Sarah Michelle Gellar's cameo in I Know What You Did Last Summer secret until the movie hit cinemas.

In this chilling new promo for the upcoming legacy‑sequel, returning stars Jennifer Love Hewitt and Freddie Prinze Jr.—joined by fresh faces like Madelyn Cline and Chase Sui Wonders—ask the film’s ...