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Im really, really proud, Nickelodeon star Siwa,who is queer, said ahead of the performance.
Judge Bruno Tonioli called the performance a groundbreaking moment afterward, adding, Im so high.
The season 30 premiere also saw debuts for a cast including formerBachelorstar Matt James and influencer Olivia Jade.
Sporty Spice Melanie Cdanced her cha-chato Wannabe by her group the Spice Girls, of course.
