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13 February 2013, 09:17
The 'Judas' singer says she has been hiding a severe injury from both her fans and her staff.
Lady Gaga has been forced to postpone a number of tour shows on her 'Born This Way Ball' world tour after "chronic pain" in her joints has left her temporarily unable to walk.
The 'You & I' singer said she felt "devastated" to disappoint fans but has been hiding the ailment for some time now, revealing that doctors have forced her to rest and heal up.
Gaga is said to be suffering from "a case of synovitis", characterised by a severe inflammation of her joints, and told fans she "barely" knows what to say to them about the postponements.
"There's an unfortunate announcement coming out right now, concerning myself and the Born This Way Ball. I'm so sorry. I barely know what to say," Lady Gaga tweeted last night (12th February). "I've been hiding a show injury and chronic pain for some time now, over the past moth it has worsened. I've been praying it would heal.
"I hid it from my staff, I didn't want to disappoint my amazing fans," the 'Marry The Night' singer explained. "However after last night's performance I could not walk and still can't.
"To the fans in Chicago, Detroit & Hamilton I hope you can forgive me, as it is nearly impossible for me to forgive myself. I'm devastated & sad.
"It will hopefully heal as soon as possible. I hate this. I hate this so much. I love you and I'm sorry," Gaga added.
In the wake of the announcement Gaga postponed her two shows in Chicago this week as well as this weekend's scheduled shows in Detroit and Hamilton.
Check out a picture Lady Gaga shared with fans on Twitter last week (Credit: Twitter):
Fans of the US star have been told to expect her new album 'ARTPOP' around autumn this year.
Lady Gaga's 'Born This Way Ball' world tour is still expected to continue next Tuesday (19th February) with a performance in Philadelphia.