<P> Meanwhile, Kiki (Kristen Bell) is still overworked with her four kids but now her husband Kent is much more helpful . Kiki is surprised when her mother Sandy (Cheryl Hines) shows up three days earlier than expected and is planning to spend the next three weeks with Kiki . Sandy's love for Kiki is overwhelming, and smothering Kiki . </P> <P> When Carla (Kathryn Hahn) gets home, her mother, Isis (Susan Sarandon), has arrived, telling her she intends to spend time with her for the first time in years . Surprised by this turn of events Carla is excited to spend time with her . Eventually, Amy, Kiki and Carla go to the mall where they express their misery over the holidays . But while commiserating about the pressures of the holidays they make a pact to "take Christmas back". Ruth tries to create a spectacle out of Christmas, rather than keeping it simple like Amy wanted . In an effort to tamp down those plans Amy takes the family to Sky Zone to meet up with Kiki and Carla and their families . Ruth, Sandy and Isis all meet and chat while their daughters have fun with their kids . </P> <P> At work, Carla meets an erotic dancer named Ty (Justin Hartley), who says he is competing in a Sexy Santa competition and he asks Carla to be his date, which she enthusiastically accepts . Kiki continues to have issues with her mother's overbearing ways and decides to bring Sandy to Dr. Karl (Wanda Sykes) to discuss these issues . This leads to a breakdown in communication leading to Kiki scolding Sandy and causing her to leave the session . </P> <P> Amy and Kiki join Carla as they attend the Sexy Santa show . All the ladies in the room are impressed with Ty's dancing . To everyone's surprise, Isis gets up on the bar and starts dancing with Ty . Carla runs up to get Ty back, leading to a fight . When Carla brings Isis home, Isis tells her she needs money for a new investment, but Carla knows she's just going to gamble it all away and then disappear from Carla's life like it's been for years . Nonetheless, Carla relents and loans Isis the money . </P>

Who plays ty in a bad moms christmas