Maddie Ziegler stole our hearts during the very first episode of Dance Moms — and now, six seasons later, it's time to say goodbye. Well…almost.

Tonight at 8/9c on Lifetime, the 13-year-old takes the stage for what might be her final dance.

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"This could be the last solo that Maddie's ever going to do," Melissa says in the clearly emotional episode.

While we have to see what happens to Maddie on tonight's episode, it's safe to say she will blow the crowd away.

Check out the gallery to see how much the cast has changed over the years. Click through for a walk down memory lane…