Katherine Heigl has shocked fans after revealing that she underwent surgery to have two titanium plates inserted into her neck in order to deal with a herniated disc.MORE: The heartbreaking story behind Katherine Heigl's brother's tragic deathThe star had posted a video of herself and husband Josh Kelley at a hospital several days ago, but hadn't revealed that she needed surgery.A herniated disc, sometimes referred to as a slipped disc, is when a soft cushion of tissue in the spine is pushed out of place.
The condition can be extremely painful if pressed against nerves.In a post-recovery snapshot, Katherine was sitting up in bed, with her head in a neck brace, while wearing a comfortable knitted pyjama set.WATCH: Katherine Heigl's husband.
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