Part 1 of 2. Abby hits a creative roadblock with the group routine for Nationals. Later, four girls are assigned solos, but two moms aren't happy that none of them are original members; Kendall premieres her music video; and a former ALDC dancer considers visiting her old teammates.

Abby takes the girls to a cemetery to get them in the spirit for a graveyard-inspired group routine.

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With Nationals only six weeks away, the mothers begin to worry about the ever-changing team, Nia gets her first solo, Abby gives two new dancers a chance to shine and the veteran mothers go on the attack when a new mother insults their children.

The moms dispute with Abby over a vegan-inspired routine, while Kendall, Brynn and Kalani compete with head-to-head solos. Also: the team says goodbye to Abby for possibly the last time when she decides to head to Europe one week before her sentencing, making the moms question the future of the ALDC.

Abby holds an open audition for her dance group; Holly's career schedule forces her to miss Nia's rehearsals and competitions; Abby must come to terms with Chloe's growing success.

The ALDC's revolving door continues as Abby auditions a new dancer to be a part of the "Great 8" team heading to Nationals. Brynn, Lilly, and Maesi all go head-to-head with solos. And, the moms are hopeful the new dancer will complete the team, but Ashlee thinks otherwise when her mom insults Brynn

Conclusion. In the Season 7 finale, the ALDC compete against the Candy Apples for the title of National Champions. Later, Abby has a breakdown; and an unexpected guest surprises the team.

With Abby away and her sentencing looming over everyone's head, the moms bring in world-renowned choreographer, Laurieann Gibson. Laurieann's intensity and passion shakes things up at the ALDC, but will her unique methods and choreography be enough to win? Meanwhile, ex-ALDC member Chloe returns to the competition world for the first time in two years to dance against her former teammates.

After the most tumultuous dance competition season ever, Abby and the Dance Moms reunite on stage to set the record straight. Unfiltered and unleashed, everyone gets the chance to tell each other what they really think... May the best Dance Mom win. Part 2 of 2.

Emotions run high as the team prepares for their final Nationals competition as the Irreplaceables. With four solos, the girls go head-to-head to see who can come out on top as the National title winner. As this chapter comes to an end, the moms and girls all contemplate what their future holds.

Dance Moms favorites Christi and Chloe set the record straight on some of the show’s most memorable moments and reveal their side of the story of why they quit, why they returned and what it was like being away for over two years.

Abby brings everyone back to Los Angeles and the girls audition and are cast for a music video. The girls compete against each other because only one girl can be cast as the lead in the video. The directors end up casting Chloe as the lead because she looks the part.

Abby and the ALDC bring an edgy group routine, inspired by Kalani’s 16th birthday, to this week’s competition hoping to overtake Cathy and her Candy Apples for the second week in a row. Kendall dances a Maddie-esque solo determined to beat Nicaya.

Abby brings in a new dancer with an eccentric mother; Abby encourages Brynn to lead Kalani and Kendall in their trio; the mothers are nervous when Abby assigns the first hip-hop routine since the elites walked out.

The Irreplaceables and the ALDC go head to head at a competition for the first time; Abby's team competes with a fan-favorite group number; the older girls shock the audience with a mature routine.

Abby and the ALDC bring an edgy group routine, inspired by Kalani’s 16th birthday, to this week’s competition hoping to overtake Cathy and her Candy Apples for the second week in a row. Kendall dances a Maddie-esque solo determined to beat Nicaya.

Abby makes an unexpected return to her studio; Chloe performs for the first time in front of Abby in two years, but struggles with missing her old teammates; Ashlee makes a decision that shocks the group.

Cheryl adds an old rival to the team, but the mothers are not happy with sharing the spotlight; Kalani suffers a catastrophic injury, putting her solo and the group routine in jeopardy; the pressure of winning brings Camryn to her breaking point.

The Dance Moms need to win this week's competition to stay in the game, but chaos ensues when Mom Kelly's daughter wants to drop out of dance as she hurts her hip and she wants to be a cheerleader. Kelly convinces her daughter to stay in dance, pushing her so far that it may cause permanent injuries.

Abby plays cupid with Brooke and her duet partner.

The new competition season is underway, but Abby is extremely disappointed in the girls because they blew off dance class during the break. So, Abby holds an open audition to bring new blood to the team hoping to replace Brooke and Paige and teach the girls a lesson. To everyone's dismay, Abby welcomes new dancer Ally and new mom Shelly to the group. The whole team misses Kelly, Brooke and Paige, but they soldier on to compete at In10sity Dance in Denver. Abby also pits Chloe and Maddie head-to-head, putting a lot of pressure on Chloe who just beat Maddie out of a national title.

Laurieann Gibson returns and is more determined than ever to win. With two duets and a group, the girls struggle with stamina as well as their new leader’s cutthroat attitude. Laurieann loses her patience with the moms.

Kelly makes a drastic decision moments before her daughters take the stage; Maddie struggles to find confidence; Holly tries to create elaborate costumes for a group number.

In a two-hour episode, Abby appears uncertain about casting Nia in a dance about Rosa Parks, while Jill promotes her daughter as a possible replacement in the title role. Abby enjoys uncharacteristically warm and playful moments with Paige, Mackenzie and Kendall. Kendall is given a solo where she must work on her facial expressions. Mackenzie is assigned the role of team makeup artist. Paige and Chloe are given a duet. Abby gives Holly a makeover. Following "Candy Apple's Day" in Canton, Cathy shows up at the competition with bodyguards, as her group performs a take-off of "Gangnam Style." Jalen is comforted by his father after problems with his costume.