LeAnn Rimes has signed on for some Anger Management.
The singer - who has been in the news more in the last couple years for her affair with Eddie Cibrian than for her music - will guest star on a future episode of the FX sitcom as the sister of one of Charlie's prison group members.
Look for her character to get romantically involved with the therapist, as an insider tells FX Rimes "will hook up and make out with Charlie in some scenes."
The episode will film in July and air some time this fall.
Rimes joins Lindsay Lohan as troubled celebrities who have landed roles on the terrible FX series.