Dr. Luke signed Ke$ha in 2005 and has been accused by Sebert of saying some really terrible things to the singer, including calling the 26-year-old a "refrigerator" and pressuring her to lose weight. In response to Sebert's claims, the producer released a statement to People saying that the allegations against him "are completely false."
We reached out to Timberline this afternoon in the hopes to find out how a rehab facility would go about treating two family members at the same time, but that request for comment has yet to be returned.
Ke$ha entered rehab on Jan. 3, revealing she is "seeking treatment for my eating disorder ... to learn to love myself again. Exactly as I am."