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In a TikTok shared Thursday night, the former Dancing with the Stars contestant, 19, revealed that she reunited with her Dance Moms coach during the High School Musical: The Musical: The Series season 3 premiere on Wednesday.
In the video, Siwa is first seen getting ready for the carpet. "Me all ready for a calm night at the premiere of HSMTMTS...," she wrote.
Then, with "Plot twist" written on top, Siwa is at the event and pans the camera to Miller, 56, who waves at the camera behind her.
To make the video even funnier, Siwa used an iconic audio of Miller on the show. "Now I want to sit back and relax and enjoy my evening," Miller says in the clip, "when all of a sudden, I hear this agitating, grating voice."
"Gotta love her though @aldctherealabbylee," the So You Think You Can Dance judge captioned the post.
In the short video, the dancer showed her followers a spot with very little hair near her ear. She wrote on top of the video, "When someone notices my bald spot and wonders what it's from..."
Images of her on Dance Moms are then shown as David Morris's "Carrying Your Love" plays in the background, the lyrics displayed on the montage. Siwa made her debut on the Lifetime reality series with a two-season stint in 2015.
"Stress rash on my head when I was on Dance Moms lead to no more hair there," she captioned the clip.
Responding to a fan who thought the spot was due to Siwa wearing her infamous "tight pony tails," the star clarified, "I figured I would just explain this. So no, it's actually not from the ponytails."
She then showed the side she typically wore her ponytails on, noting that the area where the bald spot is "didn't really get pulled at all."
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After acknowledging the "awkward length" of her hair, she touched her bald spot and said, "When I was little, I had a really bad stress rash right here on Dance Moms. I would pick at it all day long, and I damaged every single hair follicle that has ever been right there."
"So now I'm carrying her love with me. Right there," she said, pointing to the spot.
She wrote alongside the video, "Stress rash squadddddd babbyyyy."