“Having fun on set with the lovely Robin Williams and Sarah Michelle Gellar,” the 28-year-old actress captioned with the image.
Ashley is set to guest star on the CBS show as Kelsi, an intern at the advertising firm ran by the father-daughter duo. Shortly after we will learn that she also just so happens to be the daughter of one of their biggest clients.
Ashley is also pictured stopping by Urth Cafe in Los Angeles on Wednesday afternoon (October 16).
Posted to: Ashley Tisdale