Lady Gaga thanks her fans after surgery on her hip

Lady Gaga has thanked her fans after having surgery on her hip.

The singer had to cancel the last part of her Born This Way Ball world tour after suffering from synovitis, an inflammation of the joints.

"Monsters, you really gave me a lot of strength today," she wrote on her blog after the operation.

"As they wheeled me into surgery today, I thought about all of your pain and perseverance, your unique family situations," she added.

"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."

Lady Gaga was due to perform at venues across the US and Canada but had to give fans their money back as she was forced to cancel concerts.

"After additional tests to review the severity of the issue, it has been determined that Lady Gaga has a labral tear of the right hip," tour promoters Live Nation said.

"She will need surgery to repair the problem, followed by strict downtime to recover."

Lady Gaga had already apologised to fans on Twitter, saying she was "devastated" about not being able to go on stage due to "chronic pain".

The musician ended her blog post by telling fans they had "changed" her life.

"I love you and am proud to be a part of your lives," she said. "If you can do it, I can do it too, and if we stick together we can get through anything."

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