It's Charli's 17th birthday, and her family plans a surprise. Dixie releases her new song after a pep talk from music legend LA Reid. At her birthday party, Charli reflects on the highs and lows of the past year.

Charli secretly considers a new creative pursuit, while Dixie prepares for her first tour. Dixie and Noah face uncertainty as their careers grow. Charli agrees to come out of dance retirement in a big way.

Dixie finally gets the spotlight on the Jingle Ball tour. Charli also makes a move to center stage, as she recreates an iconic dance number with Derek and Julianne Hough. Dixie reveals the truth about her relationship with Noah to Marc and Heidi.