The New Adventures of Old Christine (2006)

Cast: Julia Louis-Dreyfus, Clark Gregg, Hamish Linklater, Trevor Gagnon, Emily Rutherfurd, Tricia O'Kelley, Alex Kapp Horner, Wanda Sykes

Single working mom Christine Campbell has just learned that her ex is dating a much younger woman with the same first name. To avoid any confusion, the new girlfriend is dubbed New Christine, which le…