Lady Gaga has pulled out of a second gig supporting British band Take That, due to a mystery illness.

The Just Dance hit-maker axed her warm-up slot for the group on their Circus Tour in Manchester, England on Saturday night after feeling unwell, although fans at the show were not given an explanation for her absence. And the pop sensation missed a second concert on Sunday because she was still feeling poorly.

Her spokesperson tells the BBC, "Lady Gaga was feeling unwell on Saturday and, after consulting her doctor, the decision was reluctantly taken that she was unable to perform with Take That at Old Trafford last night and tonight. Lady Gaga is currently resting on doctor's orders, but is looking forward to rejoining Take That at Wembley next weekend."

"She would like to thank Take That for supporting her decision, and apologize to the band and her fans for being unable to perform."

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Photos from her recent "Upskirt" Glastonbury Gig.

(This news article provided by World Entertainment News Network)