High School Musical: The Musical: The Series released its teaser trailer for its fourth and final season featuring star-studded cameos, including TikTok star Caitlin Reilly.

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Watch the trailer below:

Reilly is known for posting TikToks acting as the most unlikable characters in people’s lives — from WASP moms to everyone’s least favorite girl from high school. She rose to stardom in 2020 for her wit, impressions, and acting abilities. Her talent runs in the family as she is also the daughter of General Hospital and Sunset Beach actor John Reilly.

@itscaitlinhello

Stop. Scowling. #fyp #foryou #foryoupage #GetCrocd #AerieREAL

♬ original sound – Caitlin Reilly

According to TV Insider, the 33-year-old Los Angeles native will be playing an indie film director named Quinn in the series. This is one of several jobs that Reilly has been able to earn since displaying her range and talent online. She is also set to appear in Peacock’s In the Know, as well as HBO’s Dead Boy Detectives.

Alongside her success on the screen, Reilly is currently selling tickets for her show entitled Caitlin Reilly & Acquaintances at Largo in Los Angeles. Tickets are available on her Instagram and TikTok.

In addition to Reilly and the return of the primary cast, the trailer also features cameos from original High School Musical cast members, including Corbin Bleu, Monique Coleman, and Lucas Grabeel.

Based on her range and hilarity online and prior cameos in shows like Loot and Hacks, Reilly is sure to make her mark among the Wildcats.

Fans can watch Reilly and the rest of the cast in the fourth season starting August 9.