Aline Brosh McKenna is stepping in front of the camera.
TheCrazy Ex-Girlfriendco-creator will guest star in the first episode of the comedys fourth and final season.
I play a prosecutor, Brosh McKenna tells EW.

Robert Voets/The CW
I got to participate in picking out a pretty fabulous outfit.
we do know that the role was the idea of Brosh McKennas fellow co-creator Rachel Bloom.
Shes always wanting to put me out there in a great way so it was fun.
EW has an exclusive first look at Brosh McKennas on-screen role below.
Crazy Ex-Girlfriendreturns Friday, Oct. 12 at 9 p.m.
ET on The CW.