LILY Allen has revealed her secret years-long feud with a top British singer – yet all is not what it seems.
The Smile hitmaker, 39, and mum-of-two is no stranger to a celebrity spat, previously locking horns with fellow popstar Cheryl.
GettyLily Allen has revealed her secret celebrity feud with a hit popstar[/caption] AFPThe Smile hitmaker held a lasting grudge against Elton John[/caption] GettyIt came after she believed the Rocket Man hitmaker had not replied to a letter...