15 Pop Stars Who've Written Songs for Other Artists
Everybody writes for EVERYBODY now. Here's proof.
Kesha (now sans the dollar sign) got her musical career started when she was just eighteen years old as a background vocalist and fledgling pop songwriter. After appearing on Flo Rida's "Right Round," Kesha began to find her own space in the pop world, but still took the time to offer songs to -- specifically Britney, b***h. Yep, Kesha's got a writing credit on Britney Spears' 2011 smash "Till The World Ends."