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Though they might not always get along, Dance Moms veteran Maddie Ziegler took to Instagram to share a cuter-than-ever throwback photo in honor of her younger sister Mackenzie's birthday.
"Happy birthday to my amazing little sister! As much as you annoy me, I love u so much," she captioned the sweet pic.
The girls have grown up quite a bit since they first graced our television screens back in 2011. Click through to see how much Mackenzie and the rest of the cast has changed!
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Maddie Ziegler
The breakout star of Dance Moms is currently pursuing a career in acting and dance.
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Nia Frazier
The 16-year-old dancer has acted in television shows.
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Kendall Vertes
The 14-year-old recently recorded a song titled, "Where Would I Be Without You."
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Mackenzie Ziegler
Maddie's little sister, Mackenzie, has followed in her big sister's footsteps as a dancer.
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Kalani Hilliker
The 16-year-old is acting and had a supporting role in Kendall's "Where Would I Be Without You" music video.
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Chloe Lukasiak
The 16-year-old began taking classes with Abby at the age two and was one of the original cast members on Dance Moms.
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Paige Hyland
The 16-year-old still has over three million Instagram followers, despite leaving the show after Season 4.
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Brooke Hyland
Paige's big sister Brooke is currently attending college at Ohio University.
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Asia Ray Monet
At 11 years old, Asia is one of the younger dancers from the show.
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Vivi-Anne Stein
The 12-year-old currently competes with rival dance company, Candy Apples.
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JoJo Siwa
The 14-year-old Nebraska native appeared on Dance Moms for two seasons.