'Dancing with the Stars: Juniors' -- Meet the Cast

Sarah Pailin's 9-year-old grandson -- Tripp Palin Johnston -- gets the ax during Sunday's "DWTS: Juniors" premiere.

On Sunday night's "Dancing with the Stars: Juniors" premiere, Bristol Palin's son -- Tripp Palin Johnston -- was eliminated following a full night of epic performances.

Sarah Palin's 9-year-old grandson, along with partner Hailey Bills and mentor Jenna Johnson, said goodbye to the ABC series -- as did "MasterChef Junior" champ Addison Osta Smith, partner Lev Khmelev and mentor Keo Motsepe.

"I wanted to do 'Dancing with the Stars: Juniors' because my mom was on the show, and it looked like fun," Tripp told PEOPLE following the elimination. "I was nervous when my mom showed me clips of young dancers. I have never danced before. I worked past the nerves by just remembering to have fun."

"I learned that even if I'm not the best, that I can still try my hardest and have fun," he added. "My mom said to try my hardest and to have fun. My grandma said the same thing."

Tripp's mentor, Jenna, said that her "biggest challenge" when coaching the juniors was learning to take a back seat.

"The biggest challenge I faced coaching the Juniors was accepting that I wouldn't be able to go out on the stage and perform with them and/or help them through the routine if something went wrong," she said. "Usually, during the regular season, I am able to help my partner during the live show and count him through the routine. I had to put a lot of trust in my niece, Hailey, to guide Tripp through the live performance."

"I'm so incredibly proud of Tripp and Hailey," she continued. "Tripp had never performed or danced before, and so it was a great accomplishment for him to get the courage to perform in front of millions of people."

"Dancing with the Stars: Juniors" airs Sundays at 8 p.m. on ABC.

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