Since then, she has worked on a number of films and shows, with some of her most notable including Cruel Intentions and ...

Sarah Michelle Gellar surprised a packed screening of I Know What You Did Last Summer — and spotted a very familiar face in the crowd.

Sarah Michelle Gellar had a surprise of her own when she visited an unsuspecting audience at a screening of I Know What You Did Last Summer.

The new I Know What You Did Last Summer sequel is now available to watch at home on digital, and PEOPLE has an exclusive sneak peek at Sarah Michelle Gellar 's surprise cameo.

Sarah Michelle Gellar is sharing her thoughts and a few details about the upcoming Buffy the Vampire Slayer reboot, which is in the works at Hulu.