Knob-twiddler Zedd says 'ARTPOP' will be 'experimental'
Flamboyant twosome pictured with hat designer Philip Treacy
The 'Born This Way' singer refused to appear at last year's US political event
Gaga's hip injury won't put a stop to planned sessions, says crooner
'Born This Way' star's team want recompensing for scrapped gig
Singer cancelled 22 dates as she undergoes hip surgery
Pop singer requires hip surgery for tour injuries and will no longer be able to perform
Singer has been forced to take a break due to joint pain
Producer Zedd says he and singer are working on something 'unique'
The details emerged during the 'Born This Way' singer's current court case