By Margaret Lyons
Updated October 18, 2010 at 03:47 PM EDT

Megan Fox has joined the cast of Friends with Kids, the upcoming comedy from Kissing Jessica Stein‘s Jennifer Westfeldt. Adam Scott and Westfeldt play the main couple in the story, while Westfeldt’s real-life boyfriend Jon Hamm and Kristin Wiig play another couple. Fox will “play a girl who Scott begins to date,” according to the Hollywood Reporter.