Pop star details latest 'Rainbow' offering in poignant essay
Song has been approved by singer's label Kemosabe and its founder Dr. Luke
"I would rather let the truth ruin my career than lie for a monster ever again," singer says in explosive Instagram post
"As many of you know I am going through some personal things that have been really intense and hard lately," singer says at Nashville event
After a New York judge sided with Sony Music and Dr. Luke, what's next for the pop star?
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