Liv is asked to sing a duet at the town’s holiday spectacular but her partner, a nine-year-old aspiring singer, is not quite what she seems. Meanwhile, Pete and Maddie are tasked with decorating the town Christmas tree, and Parker sabotages Joey’s get-rich-quick Santa booth.
- Dove Cameron as Liv and Maddie Rooney
- Joey Bragg as Joey Rooney
- Tenzing Norgay Trainor as Parker Rooney
- Kali Rocha as Karen Rooney
- Benjamin King as Pete Rooney