Kesha says writing 2011 hit Till the World Ends for 'the queen' Britney Spears marks 'one of the proudest moments' of her career

Kesha Reveals How Britney Spears Is Involved In 'One of the Proudest Moments of My Entire Career'

Wild theory emerges behind THAT infamously awkward red carpet moment Jerry Seinfeld refused to hug pop star Kesha

Kesha flashes hint of cleavage for sizzling cover and jokes she wants to 'marry a billionaire'... after revealing she got dumped for the 'first time' and is now in the market for 'SUGAR DADDY'