Kelly Clarkson claims she was "blackmailed" into working with Dr. Luke.

Kelly Clarkson

Kelly Clarkson

Last month, a court ruled that Kesha must abide by her contract with Sony Music and Dr. Luke, despite her allegations that she was sexually abused by the record producer and although Kelly says she doesn't know anything about Kesha's situation, she claimed he is "not a good person".

Speaking about the producer, who she worked with on 'Since You've Been Gone' and 'Behind These Hazel Eyes', Kelly told Australia's KIIS 106.5: "I'll be honest about the guy, but I don't know that situation. He's not a good person, to me. We've clashed. He's difficult to work with, he's kind of demeaning.

"Obviously he's a talented dude but he's lied a lot. Musically it's been really hard for me because he will just lie to people and it makes the artist look bad.

"When so many artists don't like you, that says something. I only worked with him because literally I was blackmailed by my label. It was a really hard time for me.

"We have a whole crew to support...people that depend on us for their livelihood so sometimes you have to make decisions that you just have to swallow that pill."

However, Kelly added that her problems with Dr. Luke - real name Lukasz Gottwald - were strictly professional,adding: "He never did anything like that [alleged sexual assault] to me."

After Kesha's court ruling was revealed, Kelly took to Twitter to write: "Trying 2 not say anything since I can't say anything nice about a person... so this is me not talking about Dr. Luke (sic)."

Dr. Luke - whose Kemosabe Records is part of Sony-owned RCA - had denied all of Kesha's allegations.

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