Ke$ha Calls Justin Bieber 'A Baby'
The Tik Tok singer also attacks Britney Spears in a new song...
The Tik Tok hit maker has mocked Spears in her brand new song, Styrofoam.
The lyrics to the newly penned track takes a dig at the Womanzier singer, suggesting she is not as popular as she was in the earlier stages of her career.
One line of the song even states: "In ten years, Britney Spears… Britney, who?"
Ke$ha has previously hit out at Britney in the past for lip-synching on her Circus tour.