Charli struggles with social anxiety while hoping to bond with new friends. Dixie leans on her boyfriend Noah to help her through a dark time. Marc and Heidi discover parenting two girls in the spotlight brings its own challenges.

The D’Amelios invite their social media star friends over for Hibachi, and they spill some unexpected tea over dinner. While Dixie dives into songwriting, haters come out for Charli and “death day” discussions overtake it all.

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.

A trip home to Connecticut stirs up mixed emotions for Dixie and Charli. Dixie wonders whether Noah is more loyal to his fans than his loved ones. Charli questions whether to pursue a new business venture, while struggling with her skin.

As Heidi grieves, Dixie and Charli rally around their mom for a mother-daughter photoshoot. Charli's music secret is revealed and the family deals with the fallout of keeping the news from Dixie.

An argument between Noah and Dixie reveals some trust issues. The family packs up issues of their own and heads for Vegas, in the hopes of setting sister grievances aside.

As Charli and her new guy friend face harsh rumors, she makes some exciting moves as she turns 18-both in her love life and with her music; Dixie prepares for her album launch and live performance, but anxiety threatens two years of hard work; Charli debuts the music video for her debut single "if you ask me to"

Mysterious tensions are brewing within family dynamic. With Dixie in her single era, Charli and Landon search for a suitable suitor, but Dixie struggles with a new mental health diagnosis that could derail all her relationships.