Sophia Bush REACTS to Kissing Kim Raver in Her ‘Grey’s Anatomy’ Debut (Exclusive)

Sophia Bush chats with ET’s Denny Directo on the ‘Wicked’ premiere in Los Angeles. The actress who made her ‘Grey’s Anatomy’ debut final week as Dr. Cass Beckman, a trauma surgeon at Seattle Presbyterian Hospital, reacts to her kissing scene with Kim Raver. She additionally offers an replace on the ‘One Tree Hill’ reboot. ‘Wicked’ flies into theaters on Nov. 22