After weeks of rumors and scouring the streets for a cast, VH1 has announced the lineup for the fourth installment of Celebrity Rehab.

Signed on to work with Dr. Drew Pinksy are:

Frankie Lons (mother of singer Keyshia Cole) for alcoholism

Tiger Woods’ alleged mistress Rachel Uchitel for prescription pill abuse

“Top Model” judge/model/reality star Janice Dickinson for alcoholism as well as “Party of Five” star Jeremy London, Jason Wahler from “The Hills,” musician Leif Garrett, and oil heir/socialite Jason Davis.

The group will undergo 21 days of detox and treatment at the Pasadena Recovery Center. Episodes are set to premiere later this year.

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