Jennifer Love Hewitt recites her iconic "What are you waiting for?" line in the new trailer for the new I Know What You Did Last Summer, also featuring the return of Freddie Prinze Jr. and Southport's hooked fisherman. Madelyn Cline, Chase Sui Wonders, Jonah Hauer-King, Tyriq Withers, Sarah Pidgeon, Billy Campbell, Gabbriette Bechtel and Austin Nichols costar. The movie hits theaters July 18.
