Ke$ha was at the center of the most ridiculous conversations ever last night on "Teen Mom 2."

After failing a drug test, the always-in-trouble Jenelle Evans had to make a very important choice: She could accept a short jail sentence or extended probation as punishment.

But being away from her son Jace if she went to jail wasn't a factor in her decision ... Ke$ha tickets were.

While the 20-year-old reality star wanted to go to jail so she could get out quickly and start smoking pot again, the proposed dates for her to serve conflicted with an upcoming Ke$ha concert.

"You don't understand, this is my idol," Evans said of the "Die Young" singer while trying to reason with her lawyer. "It's not just a concert, it's Ke$ha. The girl that I watch videos on YouTube 30 times a day, like I'm obsessed with this girl."

Watch the crazy exchange above. How delusional is she?!

FYI: By the end of the episode, Jenelle had gotten arrested again after her probation officer gave her a surprise drug test. No word on if she ever made it to that concert.

Oh, Jenelle.

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