In 2011, Shaye played medium Elise, a supporting role, in the horror film Insidious. "It scared the daylights out of me," said Shaye. "I read it in bed, and when I finished, I took it downstairs and locked it in the closet. I really was chilled to the bone by the story." The film was released on April 1, 2011, and received positive reviews. It grossed a total of $97,009,150 worldwide. It was the most profitable film of 2011. Shaye received positive reviews and was nominated for a Fangoria Chainsaw Award for Best Supporting Actress, a Fright Meter Award for Best Supporting Actress, and a Saturn Award for Best Supporting Actress.