Lady Gaga has been forced to postpone four shows on her current tour because of an injury that left her unable to walk.
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Lady Gaga has thanked her fans for their support after she had hip surgery, saying "you really gave me a lot of strength today."
In a post on LittleMonsters.com, the social network dedicated to fans of Lady Gaga, she wrote:
"You really gave me a lot of strength today.
As they wheeled me into surgery today, I thought about all of your pain and perseverance, your unique family situations, school environments, health issues, homelessness, identity struggles -- sometimes you are so brave that it terrifies me.
"So I thought to myself, I'm alive, I'm living my dream, and this is just a bump in the road. I'm grateful because this is temporary, and for some it is not.
You have changed my life. I love you and am proud to be a part of your lives."
The singer has cancelled the remaining 21 dates of her Born This Way Ball tour.
After postponing some Born This Way Ball shows on Tuesday night, Lady Gaga has announced that she will be cancelling the remainder of her tour, due to a 'severe' leg injury.
In a message posted on her fan site littlemonsters.com, Live Nation Global Touring confirmed "that the remainder of the Lady Gaga Born This Way Ball performances have been cancelled."
The statement confirmed that Lady Gaga would need surgery "to repair the problem", after it was determined she had a labral tear of the right hip.
It added that she would need "strict down time to recover" and that refunds for tickets would be available.